List of Patterns used in Java SE

[Nachiket Patel]

Hello guys,
Lets put all patterns [with reference] used in Java SE.

Template:
[---PatternName---]
Ref: [ClassName]

Detail:

Regards,
Nachiket

[Nachiket Patel]

[---Singleton---]
Ref: [java.lang.Runtime]

Detail:
Runtime.getRuntime() returns single instance of Runtime.

[Brian Legg]

I'm not sure about the template info, but one of my favorite patterns is the Factory pattern.

[Krishnamurthy Sivakumar]

Decorator pattern - java.io.*Stream

[Punit Singh]

[---factory method---]
Ref: [Calendar], [DateFormat], [NumberFormat]

[---Iterator patter---]
Ref:[Java.util.Iterator]

[Chaminda Amarasinghe]

[---MVC---]
Ref: [Button]

All swing components adhere the MVC

[Sai Swami]

Flyweight Pattern
--> java.lang.String