How can you make sure that your singleton class will always return single instance in multi-threaded environment?
What are keywords give examples?
Is a copy constructor?
What are methods and how are they defined?
What is an accessor?
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how to handled exceptions & erros in ejb?
How is a variable stored in memory?
What is the use of beaninfo?
What about instanceof operator in java?
What is abstract class constructor called?
How does arraylist work in java?
can any one tell me what is advantage of encapsulation