What must a class do to implement an interface in java programming?
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why the constructor should be used in class,if there is no constructor what will happen?
What is difference between fail-fast and fail-safe?
What is meant by 'Class access modifiers'?
What is a void method java?
What are the limitations for static method?
what is meant by abstract class?
why doesn't java run on all platforms?
What are different type of exceptions in java?
How hashmap works in java?
When you Click a Button, What event will be fired?
where the static methods will live ,on stack ? can you explain brefly
What is a deadlock ?