What must a class do to implement an interface in java programming?
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What is the difference between method and means?
What the difference is between execute, execute Query, execute Update?
Is nullpointerexception checked or unchecked?
Explain what access modifiers can be used for variables?
What are E and PI?
can you create interface instance ?
why doesn't java run on all platforms?
Explain why wait(), notify() and notifyall() methods are in object class rather than in thread class?
Does java have a compiler?
What are predefined functions?
What is the importance of main method in Java?
Explain about the select method with an example?