java版本二十三种设计模式.zip

package com.github.guang19.designpattern.composite; import java.util.ArrayList; import java.util.List; /** * @author guang19 * @date 2020/5/27 * @description 树枝构件: 树 * @since 1.0.0 */ public class Tree implements Component { //树的子部件是树枝 private List<Component> treeBranches = new ArrayList<>(); private String name; public Tree(String name) { this.name = name; } @Override public void add(Component component) { this.treeBranches.add(component); } @Override public void remove(Component component) { this.treeBranches.remove(component); } @Override public List<Component> getChildren() { return treeBranches; } @Override public void operation() { System.out.println("********************************************************************************************************"); System.out.println("当前Tree: " + name + "的操作: "); for (Component branch : treeBranches) { branch.operation(); } System.out.println("********************************************************************************************************"); } }