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What is mean by a wrapper class ?
The wrapper classes serve the two purpose:
 * It wraps the primitive to an object so that primitives can
 be used in the activities which are reserved only for the objects.
 * Converting primitives to and from String objects.
Java provides the Wrapper class for each of the primitives
in java. Some of these are: 
 * Boolean
 * Character
 * Byte
 * Short
 * Integer
 * Long
 * Float
 * Double

Posted By: Name:Rajesh Kr URL: What is mean by a wrapper class ?