从键盘中读入三个学生的信息，比较他们的成绩，按照成绩由高到低排列输出

[java]代码库

import java.util.Scanner;
public class Main{
	public static void main(String[] args) {
         Scanner scan = new Scanner(System.in); 
         
         Student stu[] = new Student [3];
         int i, j;
         for(i = 0;i < 3; i++) 
         {
        	 int no = scan.nextInt();      
             String name = scan.next();      
             int score = scan.nextInt();
             stu[i] = new Student(no, name, score);
         }
         
         for(i = 0; i < 2; i++) 
         {
        	 for(j = i+1; j< 3; j++)
        	 {
        		 Student S = new Student(0, "", 0);
            	 if(stu[i].getScore() < stu[j].getScore())
            	 {
            		 S = stu[i];
            		 stu[i] = stu[j];
            		 stu[j] = S;
            	 }
        	 }
         }
         
         for(i = 0; i < 3; i++)
         {
        	 stu[i].print();
         }
         scan.close(); 
    }
} 

class Student {
	private int no;
	private String name;
    private int score;
	
	public Student(int _no, String _name, int _score) {
		no = _no;
		name = _name;
        score = _score;
	}
        public int getNo() {return no;}
        public String getName() {return name;}
        public int getScore() {return score;}
	
	public void print(){
		System.out.println(no + " "+name+" "+score);
	}
}