Why do we need variables?
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What is the purpose of the return statement?
Why we use static and synchronized in method for single thread model example: public static synchronized add(){}
What is run-time class and system class? what is their purpose?
What is the maximum size of a string in java?
What is the purpose of using bufferedinputstream and bufferedoutputstream classes?
Is hashmap thread safe?
How are this() and super() used with constructors in java programming?
How do you add an element to a hashset in java?
What do you mean by Remote procedure call?
What is volatile keyword in java
strings in java are objects.why?
What does 3 dots mean in java?