Why to use nested classes in java?
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What is a substitution variable?
Define reflection.
if two references are having same hash codes,is that means those are refering to same object?
What is meant by data hiding in java?
Why are the objects immutable in java?
Can memory leak happen java?
What is the use of conditional statement?
Linked List reverese program
when everything can be done by static block then why do we use main method?.
What are null interfaces in JAVA ? and give me some examples?
What is meant by distributed application? Why are we using that in our application?
What is an array length?