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Q:

What is a class, member and local variable?

Answer

Variables declared within a method are local variables. Variables declared within the class are member variables.  Variables declared within the class with static modifier are class variables 

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Subject: Java - Technology

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Q:

How will you define an abstract class?

Answer

An abstract class is defined with the keyword abstract Eg:
public abstract class MyClass { }

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Subject: Java - Technology

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