Java-design-patterns

1. factory pattern
2. abstract factory pattern
3. singleton pattern
4. builder pattern
5. prototype pattern
6. adapter pattern
7. observer pattern
8. bridge pattern
9. proxy pattern
10. decorator pattern
11. Facade pattern
12. flyweight pattern
13. composit pattern
14. visitor pattern
15. strategy pattern
16. template pattern
17. command pattern
18. iterator pattern
19. memento pattern

References:

1. https://www.tutorialspoint.com
2. https://www.geeksforgeeks.org
3. Java Design Patterns: A Hands-On Experience with Real-World Examples 2019