Java Wrapper Classes

Java Wrapper Classes Interview Questions
What are Wrapper Classes? Describe the wrapper classes in Java.

Wrapper classes are classes that allow primitive types to be accessed as objects. Wrapper class is wrapper around a primitive data type.

Following table lists the primitive types and the corresponding wrapper classes:

Primitive


Wrapper

Boolean


java.lang.Boolean

Byte


java.lang.Byte

Char


java.lang.Character

double


java.lang.Double

Float


java.lang.Float

Int


java.lang.Integer

Long


java.lang.Long

Short


java.lang.Short

Void


java.lang.Void