Which is the most super class of all the Java classes?

trivenireddy

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• May 4th, 2009

"Object" is the super most class of all Java classes by default.

rhingarajiya

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• May 2nd, 2009

The Object Class (java.lang.object) is the super class in the Java.If you write or use any Java class, that can inherit the instance method of Object class.

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What is the size of reference variable?

Sagar Mitkari

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• Jun 15th, 2009

Not 8 bits.  We never know what is the value of reference variables. But one thing for sure all the reference variables you refer have same value as far as memory allocation issue is concerned....

justjiten

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• Feb 18th, 2009

Size of the reference variable is always 8-bytes

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How to use a constructor in a Java program?

justjiten

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• Dec 4th, 2008

In a Java program constructor is used for object creation.With the help of new operator we create the new object for the class by calling its constructor.

banduskank

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• Jun 30th, 2008

When you want create an object at that time you use the constructor. The purpose of Constructor is only to create object. If you not provide Constructor then compiler create default Constructor to create object.

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