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java interview is null a java keyword job java interview

755 views · Published 28 November 2012 · 2:51 · Indexed 13 October 2026

Channel: Interview DOT · 2012 · Science & Technology

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Java interview "Is null a keyword "  ? Java Interview Question and Answer :

Is null a keyword ?

No, "null" is not a keyword. null is  literal values  that is used to represent no value. Its similar to true, false.

Assigning a null value to a non-primitive type variable releases the object to which the variable previously referred.

Primitive data types such as byte, short, int, long, char, float, double, boolean cannot have a null type. 

Does a class inherit the constructors of its superclass ?

A class does not inherit constructors from any of its super classes.

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