#java-optimization

[cybereliasacademy]

Performance Best Practices Using Java and AWS Lambda: Combinations

Subscribe .tb0e30274-9552-4f02-8737-61d4b7a7ad49 { color: #fff; background: #222; border: 1px solid transparent; border-radius: undefinedpx; padding: 8px 21px; } .tb0e30274-9552-4f02-8737-61d4b7a7ad49.place-top { margin-top: -10px; } .tb0e30274-9552-4f02-8737-61d4b7a7ad49.place-top::before { content: “”; background-color: inherit; position: absolute; z-index: 2; width: 20px; height: 12px; }…

[communist-octoling]

Minecraft Java players when Mojang fixes a bug that only affects a small part of the game: OMG LITERALLY UNPLAYABLE!!1! MOJANG HATES JAVA CLEARLY BEDROCK IS THEIR FAVORITE!!!1!!!1! :( Minecraft Bedrock players when Mojang changes a perfectly fine part of the game to be more like Java for no reason for the thousandth time: Well, as long as its for parity ¯\_(ツ)_/¯

[nephriteknight]

i forgot how much i hate C. get me out of here.

[tomatophp]

Filament logger

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[intelliatechsolutions]

Top 10 Java Frameworks for Web Development in 2024

Java is always the language taken on priority when it comes to software development. And no doubt, it is a programming language most extensively used as well.

Whenever we think of building web applications or starting a new project, choosing the right set of development tools is of utmost importance. Java frameworks make it to the top choice in such cases since they are not only reliable but efficient as well.

But with so many options available out there, it can really get you confused about which Java frameworks you should consider for your projects. This blog post is going to be all about that. We have listed out some of the best Java frameworks for web development in 2024 for you.

But before diving right into it, let’s walk through Java frameworks to get a basic understanding about them.

What are Java Frameworks?

Java frameworks are basically a collection of pre-written codes. These are used by developers and programmers to develop web applications. These Java development frameworks control hardware, communicate with system applications, and process input. They help save time by writing the code for a developer. Since Java is a backend technology, these frameworks come handy for backend development.

Benefits of Java frameworks in web development

Since they already consist of pre-written codes, there is no need to write codes individually. 

Makes tasks and processes quick by reducing the time, thus increasing efficiency.

Offer a diverse range of features and options for developers to explore and choose from.

They provide support and help developers with problem-solving.

Always perform 100% and are reliable and secure.

Top Java frameworks for 2024:

1. Spring:

Spring Framework is one of the best open-source frameworks which has been built for the entire software development process in Java. These are also compatible with XML configurations and can establish JDBC connections. Some of its features include externalized configurations, admin features, properties files, and web development.

2. Hibernate:

Hibernate framework can extend Persistence API Support in Java. It is an ORM tool which is lightweight and high-performing. It does performance optimization so you do not have to worry about the implementations. It enhances developer’s productivity and efficiency.

3. Struts:

Struts framework is majorly used for web applications and is based on technologies such as XML, JSP, etc. Some of its key features include integration support, configurable MVC components, template support, and more.

4. Grails:

Grails framework is beginner-friendly and written in Groovy, which is similar to Java but has more features. Its key features include seamless Java integration, plugin library, spring boot foundation, etc.

5. Vaadin:

Vaadin framework supports cross-platform compatibility. Style alternatives from Java, two built-in themes, and deep linking support are some of its key features.

6. Java Server Faces (JSF):

 It works with technologies Java serves pages and Java Servlet API. It has been developed by Oracle and is based on MVC architecture. It supports automated state management and multiple output formats.

7. Play:

Play framework is written in Scala and supports both Java and Scala. It is fault-tolerant and highly flexible. It comes with built-in testing tools and has a hit refresh workflow.

8. Google Web Toolkit (GWT):

It has an open-source Java community to ensure applications are made using GWT. It is extremely developer-friendly and supports a wide range of APIs. It also provides cross-border portability.

9. Dropwizard:

It is great for developing RESTful web services. It enables rapid prototyping and is operations-friendly. It is compatible with both external and open-source libraries.

10. Apache Wicket

It is a component based framework that provides integration support. It is extremely fast and lightweight. It follows the POJO model and is based on JSP. It is also highly agile.

Conclusion

These were some of the best Java frameworks we have shortlisted for you. Java frameworks make for a popular choice especially when you are considering making enterprise applications. These frameworks prove helpful for a developer to improve scalability and productivity.

Also, we suggest readers to stay updated with the trends in the Java ecosystem since these frameworks also keep on improving their features. Visit us at Intelliatech!!!

[javatarainingtipsandtrick]

How to optimize memory in Java?

Optimizing memory usage in Java training near me is essential to ensure efficient and responsive applications while minimizing the risk of memory-related issues like Out Of Memory Errors. Here are several strategies to optimize memory in Java

Use Data Structures Wisely

Choose the appropriate data structures for your application's needs. Efficient data structures can significantly reduce memory consumption.

For example, use ArrayList when the size is dynamic but known in advance and HashSet or HashMap when you need fast lookup operations.

Minimize Object Creation

Excessive object creation can lead to high memory usage and increased garbage collection overhead. Reuse objects whenever possible.

Consider using object pooling or object reclamation techniques to reduce object churn.

String Handling

Be mindful of string concatenation operations, as they can create many temporary string objects. Use StringBuilder or StringBuffer for efficient string concatenation.

If you have many identical strings, consider using string interning to reuse string instances.

Avoid Memory Leaks

Be cautious about holding references to objects longer than necessary. Ensure that objects are eligible for garbage collection when they are no longer needed.

Use weak references or soft references when appropriate to allow objects to be collected more easily.

Use Primitive Data Types

Whenever possible, use primitive data types (int, float, char, etc.) instead of their object counterparts (Integer, Float, Character, etc.) to save memory.

Array Optimization

Use arrays instead of collections (e.g., ArrayList) when the size is known and fixed, as arrays have a smaller memory overhead.

Be cautious with multi-dimensional arrays, as they can consume more memory than expected due to padding.

Memory Profiling

Use memory profiling tools to identify memory leaks and memory-hungry parts of your application. Tools like VisualVM or YourKit can help pinpoint memory issues.

Garbage Collection Tuning

Tune the garbage collection settings using JVM flags (e.g., -Xmx, -Xms, -XX:MaxHeapFreeRatio, -XX:MinHeapFreeRatio, etc.) to optimize heap memory management.

[sandipanks]

The 17 JEPs that are delivered with Java 16 can be categorized into six distinct categories

[themanjeet]

Java Performance Optimization: Techniques and Best Practices

Java is a powerful and versatile language, but it can also be slow. If you want to ensure that your Java applications are as fast as possible, you need to know how to optimize them.

https://medium.com/@rolandmack63/java-performance-optimization-techniques-and-best-practices-5b98979a2b6

[letuce369]

i think the big thing for me is that the new content and support for java is still free, despite being over a decade old, and the solution is also free

like it's not perfect to have to download mods to make it run better, but it's also not super hard (fabric and sodium have good tutorials), and it's legal, and free

for pokemon, the main game cost 90$ for a physical copy that crashes and lags and glitches with no real updates to fix that

and then gamefreak turns around and has the audacity to ask for an extra 35$+ not even a year later for extra content with all the same problems

and if you want a real fix you have to get an illegal pc emmulation of the game

minecraft may not be the most optimized, but mojang isn't asking for any more money for it's new stuff, just the base price

people are complaining about the minecraft updates and not getting exactly what they want but still getting content/support FOR FREE

meanwhile pokemon fans are getting charged 35$+ for DLC on a game that barely runs

wat

[stickia404]

"We do what we must, because we can"

Whenever you get an idea, you must ask your self some questions: is this possible? How long would it take? Is it worth it? Should I even do this? However, some ideas politely ignore all of these questions and go straight into action.

Introducing the World Slate:

World Slate, The Great Work, Ghost-Circle, "Sophia why the fuck did you even think of making this," whatever you call it; it is a massive Spell Circle that is approximately 11 thousand blocks by 12 thousand blocks large. This covers about 30% of the overworld of the HexxyTest server.

For those who don't know Spell Circle Tech: a Spell Circle calculates ambit based on how big it could be, rather than based on where it does runs. So you can "trick" a Spell Circle into having a massive ambit by having a looping system that connects to outer "prongs" via a directrix. This is how the World Slate has complete ambit over 30% of the whole overworld. However, there is a large problem, lag.

Spell circles (shouldn't) gain lag while running; since they now, in 1.20, run each pattern while going over them. On the other hand, during a start-up a Spell Circle needs to calculate what slate it can run on, caching it into its NBT data. This seems like it could be a large source of lag, since it's doing a flood fill over possibly thousands of blocks; but, that is only half true. If all the slate blocks are in the same loaded area, the flood fill only takes a few milliseconds, barely anything. But, to get the block data to find where the slate could go, it has to load the chunk the slate in, which is not that bad, IF the slate does not go across ~1400 chunks. Loading, and calculating, that many chunks will lag a server badly (maybe even kill it); so the project seems hopeless.

But, there is a way to fix the lag of loading ~1400 chunks in less than a tick, optimizations.

Since I know Java and some bits about modding, I have been trying to fix some more laggy parts of Spell Circles. I have already fixed a moderate lag source of looping Spell Circles (chunk bans are fun!). So it hypothetically shouldn't be too hard to somehow optimize Slate Discovery.

There are 2 large problems with optimizing Slate Discovery though: How to locate them, and how to store the found slate. The 2nd problem is much easier to solve, rather than storing them in a set of raw Vec3s like it does now, it would be best to compress them down (maybe into a string representation or something) then uncompresses them when it is running. This could be done with a small, quick compression algorithm.

However, optimizing the finding of the slate is another problem. The best system would be finding the slate without loading the chunks, but this is impossible, so we need to use a 2nd method.

That 2nd method would be to break up slate discovery over time, so instead of loading ~1400 chunk all at once, we can just load 200 chunks each tick until we get all ~1400 chunks. This system does have some minor problems, and a big problem. The small problems would be: how to keep discovery going if the server closes, how would you serialize the discovery list, how would you tell the impetus to look over time, etc. And these problems are simple enough; however, the big kicker is that the player could move slate during discovery.

As said by Chloe, people could move the slates in discovery, meaning they could cheat the system by moving the slates while they are being scanned, and still get "world ambit" for about fre. This is, unfortunately, just a problem that would have to be accepted for a system like this.

I do think that flaw can be somewhat ignored though. Since, if you are willing to make a Hex (or a massive contraption) that works every tick to move earth-shattering amounts of slate; then you can have world ambit fuck it.

Or you know, instead of doing this whole massive problem if optimizing slate scanning just do something like re-adding the slate limit

However, if you have any ideas of how Slate Discovery could be optimized; or if I am insane for starting this project; please let me know.

[roryoruser87871]

Sam..? sneak peaks #4

Guys, Really It's really important if some of y'all want to play this map. It will affect further map making and optimization:

[ravenclawshermione]

New Chapter Up - Love is a Promise

The relief that washed over me when Dick and Calla got home was a physical thing, stronger than I’d anticipated. I was still occupied with helping the Birds, but I paused just long enough for them to both give me a quick kiss before letting me get back to work. It didn’t escape my notice that Calla had very clearly been crying, but she also looked slightly less anxious than she had before, so I was optimistic. 

When they returned to my peripheral view a few minutes later, they’d changed out of their suits and into pjs. Dick was in sleep pants and a tight sleeveless shirt, and Calla was wearing an old Black Canary shirt that was just long enough that I wasn’t sure if she was wearing anything else. They should really be trying to sleep, but I didn't exactly have any room to speak. 

I forced myself to focus on the mission, and not my partners who were busy cooking something and trying to be quiet. Still, it was impossible not to notice how much more in sync they were than how they’d been the past two weeks. I was glad. I had hated watching her push him away. 

The tantalizing scent of java chip cookies filled the room, and I shot Calla a warm smile as she set a small plate of them down next to me. 

“I'm almost done,” I mouthed, taking one. 

They were heavenly, the perfect little energy boost to get me through the last bits of the heist. When the girls were safely on their way home, I let out a big sigh and got to work closing everything out. Finally, it was time to see what Dick and Calla had learned. 

They were waiting on the couch for me, a big plate with the rest of the cookies sitting on the coffee table. Dick had Calla half in his lap, and I moved to sit on the other side of her. 

“So, how did it go? What did he say?”

“Not great,” Calla said, at the same time that Dick replied with, “It went well.”

Calla gave a heavy sigh and rolled her eyes, and Dick kissed the top of her head. 

“Alec isn’t on Ivy’s side, and he thinks that Calla can stop her,” he explained. 

“Yes, well, he’s also not going to help. And it’s a very big maybe on if I actually can stop her,” Calla added. 

“A maybe is better than you thought you had before,” I said, cuddling closer to her, “And even if he’s not helping, it's good to know he’s not going to be an issue.”

She gave another heavy sigh, but took my hand, “You two are incorrigible, you know that? Ridiculously optimistic.”

“Yeah, but you love it,” Dick teased. 

“I love you,” she said, giving him a quick kiss before leaning over to give me one as well, “I accept the optimism as a fair trade.”

“So, since you’re accepting our optimism, what’s the plan?”

[tomatophp]

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[agatedragongames]

Pathfinding Tutorial: A-star Search Algorithm

Learn how to explore a triangle grid and find a goal point with the A-star search algorithm in this pathfinding tutorial. You will use Processing and Java to code the A-star pathfinding algorithm and create a graphical demo so you can see it in action.

The A-star pathfinding algorithm finds the shortest path from a start node to a goal node in a node graph (assuming the path exists). It does this using two heuristics.

The first heuristic measures the distance from the current node to the start node. The second heuristic measures the distance from the current node to the goal node. The combined scores of these two heuristics can be used to steer the A-star algorithm towards optimal nodes.

[thewertcraft]

Server Essentials

Minecraft version: Java, 1.20.1.

Modpack: All The Mods: To The Sky, V1.1.2.

System Requirements: Not too heavy. My client allocates 8GB of RAM to the process, and I've never had any problems. If you're having trouble with lag, the folks on the All The Mods Discord have plenty of information on optimizing your system, and I've got a few tips myself.

Launcher: I'm pretty sure any modded launcher will work. I personally use Prism Launcher.

Server Address: thewertsearch2.ddns.net. Remember to DM me your Minecraft username, so I can add you to the server's whitelist!

Discord: We have a Discord! You can find it here. Same rules apply as on the Minecraft server itself.

Rules: Aside from the obvious (no spam, no bigotry, etc), the only big rule is 'don't discuss Homestuck'. Even if we kept things non-spoilery, it'd be too easy for something to slip through the cracks!

Griefing and PvP policy: Only if everyone involved is alright with it. If y'all want to have a war, go nuts!

Schedule: I try to go live at least once a week, usually on Sunday evenings. Next game should be October 20th!

If anyone has any technical questions about setting up the pack, configuring the launcher, or understanding how the modded mechanics work, don't hesitate to ask! I'll probably add a FAQ to this post if there are a lot of questions.

[csanjibzinfoline]

Boost Your Metabolism Effortlessly with Java Burn!

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