What is the purpose of extern variable?
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What is encapsulation in java?
What is string pooling concept?
In collection sorting comparable and comparator interface will be used..but why this two interfaces required..two will work same purpose so why there are two interfaces instead of one?when to use comparator and when to use comparable?
How do you calculate square roots?
Which sorting algorithm is best in java?
Do you know thread pools?
What are the methods available in a class?
Difference between current previous versions of Java?
How does a for loop work?
How does the java compiler work?
Why does java doesnt suuport unsigned values?
What are the Object and Class that classes used for?