Design-Patterns-In-Java/src/main/java/design_patterns/behavioral/momento_pattern/Main.java at master · miladsade96/Design-Patterns-In-Java · GitHub

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package design_patterns.behavioral.momento_pattern;

public class Main {
    public static void main(String[] args) {
        Editor editor = new Editor();
        History history = new History();

        editor.setContent("Version 1");
        history.push(editor.createState());
        editor.setContent("Version 2");
        history.push(editor.createState());
        editor.setContent("Version 3");

        editor.restore(history.pop());
        System.out.println("Restored to: " + editor.getContent());

        editor.restore(history.pop());
        System.out.println("Restored to: " + editor.getContent());

        editor.restore(history.pop());
        System.out.println("Restored to: " + editor.getContent());
    }
}