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java basics  What is method overloading and method overriding?  Overriding -when you extend a class and write a method in the derived class which is exactly similar to the one present in the base class, it is termed 

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java basics  null is a keyword or not in java?  null might seem like keywords, but they are actually literals; you cannot use them as identifiers in your programs.null keyword in java programming language is a reserved 

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java basics  What is an applet?  An applet is a program written in the Java programming language that can be included in an HTML page, much in the same way an image is included in a page. When you use a Java 

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