java-design-patterns

The Gang-of-Four Design Patterns Implemented in Java

Check out my blog series about Design Patterns in Java at:

• Design Pattern Series

Summary:

• Singleton Design Pattern

Singleton Design Pattern

Different Implementations

• Naive Lazy Initialization Singleton
• Synchronized Lazy Initialization Singleton
• Double-Checked Locking Lazy Initialization Singleton
• Bill Pugh's Lazy Initialization Singleton
• Eager Initialization Singleton
• Enum Eager Initialization Singleton

Resources

• Singleton Design Pattern in Java: 6 Implementations with Code Examples