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HashMap Related Interview Questions And Answers
These are the some best of HashMap related interview questions and answers for both freshers and experienced Java professionals. I hope they will be helpful for your technical interview. Java HashMap Interview Questions And Answers : 1) What is HashMap in Java? HashMap is a class in Java which implements Map interface. It is a data structure which holds the data as key-value pairs for…
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Java 8 Stream has many operations which can be pipe lined together to get desired result. Some operations produce another stream as a result and some operations produce non-stream values as a result. The operations which return another stream as a result are called intermediate operations and the operations which return non-stream values like primitive or object or collection or return nothing are called terminal operations.
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#java#javaprogramming#java developers#java course#java software development#javatraining#coding#development#programming#interview#fresherjobs#interview tips for freshers
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Java OOP Concepts Cheat Sheet =========================== Inheritance, Abstraction, Polymorphism and Encapsulation quick reference guide.
Download Java OOP Concepts Cheat Sheet at https://javaconceptoftheday.com/java-oop-concepts-cheat-sheet/
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Diamond operator is used to denote the enclosing type of a class. For example, List<String> denotes list of strings, Set<Integer> denotes set of integers etc… Empty diamond operator <> is introduced from Java 7 to implement automatic type inference feature in the code. Empty diamond operator removes the redundant code by leaving the generic type in the right side of the declaration statement and thus removing the verbosity in the code. Till Java 9, empty diamond operator is allowed to use with normal classes only. It is not allowed to use with anonymous inner classes. But, from Java 9, empty diamond operator can also be used with anonymous inner classes.
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Difference Between wait() and sleep() Methods In Java, how wait() method differs from sleep() method in java?, Java Thread interview question. . .
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