标签:img 51cto compare color png ado 学习 log 比较
TreeMap<Student, String> tm = new TreeMap<>(new Comparator<Student>() {
@Override
public int compare(Student s1, Student s2) {
int num = s1.getName().compareTo(s2.getName()); //按照姓名比较
return num == 0 ? s1.getAge() - s2.getAge() : num;
}
});
tm.put(new Student("张三", 23), "北京");
tm.put(new Student("李四", 13), "上海");
tm.put(new Student("赵六", 43), "深圳");
tm.put(new Student("王五", 33), "广州");
System.out.println(tm);
标签:img 51cto compare color png ado 学习 log 比较
原文地址:http://blog.51cto.com/357712148/2308120