well Immutability offer several advantages :
1) Immutable object like String and wrapper can be used as key in HashMap (those are most used keys anyway)
2) Immutability enable them to be reused...
Type: Posts; User: javabuddy
well Immutability offer several advantages :
1) Immutable object like String and wrapper can be used as key in HashMap (those are most used keys anyway)
2) Immutability enable them to be reused...