Explain hashset and its features?
Does garbage collection guarantee that a program will not run out of memory?
If a multi threaded Java program has started numerous number of threads, at any point in time how to know which thread is currently executing/running ?
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Is sizeof a keyword in java programming?
Which is fastest collection in java?
what is tempplate pattern
What will happen if non-synchronized method calls a static synchronized method and what kind of lock it acquires?
What is synchronization and why is it important in java programming?
What is flag in java?
java is puerly object oriented or not ?
What is the difference between delete and delete[]
What does opcode mean?
What is string made of?