How to reverse a string in java?
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What is the final access modifier in java?
I want to persist data of objects for later use. What’s the best approach to do so?
Can we have multiple classes in single file ?
How do you find the absolute value?
What is a parameter example?
Why java is call by value?
What are the methods used to implement for the key object in the hash map?
Explain the use of volatile field modifier?
where lives in jvm
What is constant in programming?
Give a briefing on the life cycle of a thread.
How objects of a class are created if no constructor is defined in the class?