What is the difference between class & object?
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Is array size fixed in java?
How hashmap increases its size in java?
What does singleton class mean?
What is Collections API?
When will we use them?
what is AWT
What is a constructor, constructor overloading in java?
explain me with a code snippet about the generation and handling of null point exceptions.
What is meant by bytecode?
explain the clone method and clonable interface
Why java is free from garbage values??
How are this() and super() used with constructors in java programming?