What is an empty list in java?
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What is the difference between integer parseint and integer valueof?
What is a boolean expression in java?
When should I use singleton pattern?
Explain final, finalize() and finally?
You're given a Boolean 2D matrix, can you find the number of islands?
What are exceptions
Can an object?s finalize() method be invoked while it is reachable?
What is the exact difference in between Unicast and Multicast object? Where will it be used?
What is a class variable?
Explain about fail fast iterators in java?
Is 0 an even number?
What is the flag in java?