When should I use singleton?
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What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.
What are the properties of thread?
Can I import same package/class twice?
Why declare Main() method as a static in java ?
How to add and remove nodes in Jtree?
What are the names of Component subclasses that support painting?
Can we convert list to set in java?
Is space a char?
What is meant by design patterns?
why abstract class will have a constructor?
What are Advatages of Overloading and Overridding.
What is OOP?