Reference Variable in Java

Published: 26 January 2014
on channel: Interview DOT

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JAVA INTERVIEW QUESTION AND ANSWER.

What is reference variable in Java ?

1.Using reference variable ,we can access an object.

2.A reference variable is declared to be of a "specific type" and that type can never be changed.

3.Reference variables can be declared as "static variables, instance variables, method parameters, or local variables".

4.A reference variable that is declared "final" can't ever be reassigned to refer to a different object.
The data within the object can be modified, but the reference variable cannot be changed.

Reference Variable in Java

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