public class SortTest {

    public static void main(String[] args) {
        Student s1 = new Student("Zhang", 80);

        Student s2 = new Student("Zhang", 68);

        Student s3 = new Student("Zhang", 71);

        Student s4 = new Student("Li", 80);

        Student[] ss = { s1, s2, s3, s4 };
        // 以上是测试的数组
        
        for (Student s : ss)
            System.out.println(s);
        
        // 这个就是排序了
        Arrays.sort(ss);

        System.out.println("=============");
        for (Student s : ss)
            System.out.println(s);
    }
}

/**
 * 
 * 类Student实现 Comparable接口，以方便排序
 * 
 * 
 */
class Student implements Comparable<Student> {
    public String name;

    public int point;

    public Student() {
    }

    public Student(String name, int point) {
        this.name = name;
        this.point = point;
    }

    /**
     * 
     * 实现Comparable<Student>接口的方法
     * 
     */
    public int compareTo(Student o) {
        int stringCompare = this.name.compareTo(o.name);
        if (stringCompare == 0) {
            // 如果名字比较相同，返回的是成绩的比较结果
            return this.point - o.point;
        } else {
            // 如果名字比较不同，直接返回比较结果
            return stringCompare;
        }
    }

    /*
     * 方便打印
     */
    public String toString() {
        return this.name + "\t" + point;
    }

}