What is the use of flag?
How do you achieve singleton?
Can a static block throw exception?
What modifiers can be used with a local inner class?
Garbage collection in java?
What is the ResourceBundle?
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Why is the main method static in Java?
What is the difference between Java1.4 and Java1.5
Why can't we make a class private in java?
What are the differences between this and super keyword?
Is vector ordered in java?
Difference between method overloading and overriding.
What is a default package ?