What do you understand by the term polymorphism?
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What is the difference between the reader/writer class hierarchy and the inputstream/outputstream class hierarchy in java programming?
Is object a data type in java?
what are three ways in which a thread can enter the waiting state? : Java thread
suppose string s1="rajnish"; string s2="bhaskar"; then what will be happend ?
What is a default method?
What is the use of arraylist in java?
What are the two major components of JDBC?
What are init(), start() methods and whey they are called?
What is a Null object?
What is the difference between superclass and subclass?
What are the three types of design patterns?
How we can run a jar file through command prompt in java?