rapper class is provides wrapper around a primitive data type so that we can use it as abjects. An instance of a wrapper class contains, or wraps, a primitive value of the corresponding 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 |