JavaCodeAcc/src/designpattern/composite/CompositeClient.java at master · kylez7/JavaCodeAcc · GitHub

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package designpattern.composite;

/**

* 客户端。通过Component接口操作组合部件的对象

* @author liu yuning

public class CompositeClient {

public static void main(String[] args) {

// 生成树根，根上长出两叶Leaf A和Leaf B

Composite root = new Composite("root");

root.add(new Leaf("Leaf A"));

root.add(new Leaf("Leaf B"));

// 根上长出分支Composite X，分支上也有两叶Leaf X-A和Leaf X-B

Composite compositeX = new Composite("Composite X");

compositeX.add(new Leaf("Leaf X-A"));

compositeX.add(new Leaf("Leaf X-B"));

root.add(compositeX);

// 在Composite X上再长出分支Composite X-Y，分支上也有两叶Leaf X-Y-A和Leaf X-Y-B

Composite compositeXY = new Composite("Composite X-Y");

compositeXY.add(new Leaf("Leaf X-Y-A"));

compositeXY.add(new Leaf("Leaf X-Y-B"));

compositeX.add(compositeXY);

// 显示大树的样子

root.display(1);

}

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