Why declare Main() method as a static in java ?
What happens if we override private method?
What does nullpointerexception mean?
What is the maximum size of a string in java?
Which is the best sorting technique in java?
Tell me are there implementations for sorting and searching in the java libarary?
What is thread life cycle?
Which collection does not allow duplicates in java?
What is difference between equals and hashcode method?
What is the difference between procedural and object-oriented programs?
Can we extend singleton class?
When should I use singleton pattern?
Is it possible for yielded thread to get chance for its execution again ?