import java.util.Arrays;
public class Student implements Comparable<Student> {
private String name;
private int age;
private float score;
public Student(String name, int age, float score) {
super();
this.name = name;
this.age = age;
this.score = score;
}
public String toString() {
return this.name + "\t\t" + this.age + "\t\t" + this.score;
}
@Override
public int compareTo(Student stu) {
//首先安分數排序-由高到低
if (this.score > stu.score) {
return -1;
} else if (this.score < stu.score) {
return 1;
} else {
//分數相同的按年齡大小排序-由小到大
if (this.age > stu.age) {
return 1;
} else if (this.age < stu.age) {
return -1;
} else {
return 0;
}
}
}
public static void main(String[] args) {
Student stu[] = { new Student("張三", 20, 50), new Student("李四", 50, 90),
new Student("王五", 40, 45), new Student("麻六", 35, 80) ,new Student("mn", 15, 80) ,new Student("nb", 25, 50) };
//排序
Arrays.sort(stu);
//遍歷
System.out.println(Arrays.toString(stu));
for (int i = 0; i < stu.length; i++) {
System.out.println(stu[i]);
}
}
}