Memento Pattern for State Saving in Java

Adapter Pattern for Compatibility in Java: Bridging Incompatible Interfaces

Mediator Pattern for Object Communication in Java

Mastering the Iterator Pattern: Building Custom Collections in Java

Interpreter Pattern for DSL in Java

Implementing Undo/Redo with the Command Pattern in Java

Chain of Responsibility Pattern in Java

Proxy Pattern for Controlled Access in Java

State Pattern: Dynamic Behavior Change through State Transitions

RxJava for Reactive Android in Java