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迪米特法则：(Law of Demeter, LoD)，也称最少知识原则（Least Knowledge Principle, LKP）
public class Teacher {
public void commond(GroupLeader groupLeader) {
List<Girl> listGirls = new ArrayList<Girl>();
for (int i = 0; i < 20; i++) {
listGirls.add(new Girl());
}
groupLeader.countGirls(listGirls);
}
}public class Teacher {
public void commond(GroupLeader groupLeader) {
groupLeader.countGirls();
}
}
public class GroupLeader {
private List<Girl> listGirls;
public GroupLeader(List<Girl> _listGirls) {
this.listGirls = _listGirls;
}
public void countGirls() {
System.out.println("女生数量是：" + listGirls.size());
}
}版权声明：本文为博主原创文章，未经博主允许不得转载。
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原文地址：http://blog.csdn.net/u014034854/article/details/46777061
