Why does abstract class have constructor?
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what is the use of reference variable
How do you detect memory leaks?
What is backdrop?
What are the advantages of passing this into a method instead of the current class object itself?
What are white spaces in java?
What is the difference between throw and throws?
What is a boolean expression in java?
Why do we need variables?
Tell me a few examples of final classes defined in Java API?
When a byte datatype is used?
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What is super in java?