What is length in java?
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Which is not Object in Java?
Why charat is used in java?
how to make a un-checked exception as a checked exception one.
What is Difference between Serializable and Externalizable in Java serialization?
Why lambda expression is used in java?
How long will it take to learn java?
What is early binding and late binding in java?
What are the states of thread in java?
What is data type modifier?
What is the covariant return type?
What state is a thread in when it is executing?
can any one tell me when do u go for inheritance and polymorphism