Explain the difference between map and flatmap stream operation?
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If circular link of two objects, then will it be garbage collected ?
difference between String a; and String a=new String();? y do v need to assign memory to the variable?
Explain the use of volatile field modifier?
How to do validation of the fields in any project ?
Why a dead thread occurs?
What is the use of generics? When was it added to the Java development Kit?
Explain the hierarchy of java exception classes?
What are the application of stack?
What are adapter classes?
Can we sort hashmap in java?
What is tree node in java?
What is the concept of multithreading?