scorelevel.java

java课程的资料以及实验的代码

import java.util.Scanner;
public class ScoreLevel {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
       Scanner scanner=new Scanner(System.in);
       System.out.print("input score:");
       int score=scanner.nextInt();
      /* int num=score/10;
       if(score<0 || score>100)
       {
    	   num=-1;
       }
       switch(num)
       {
       case 9:
       case 10:
    	   System.out.println("A");break;
       case 8:
    	   System.out.println("B");break;
       case 7:
    	   System.out.println("c");break;
       case 6:
    	   System.out.println("D");break;
       case -1:
    	   System.out.println("error");break;
    	   default:
    		   System.out.println("E");break;
    	   
       }*/
       if(score<0 ||score>100)
       {
    	   System.out.println("Error");
    	   
       }
       else if(score>=90)
       {
    	   System.out.println("A");
       }
       else if(score>=80)
       {
    	   System.out.println("B");
       }
       else if(score>=70)
       {
    	   System.out.println("C");
       }
       else if(score>=60)
       {
    	   System.out.println("D");
       }
       else
    	   System.out.println("E");
    	   
	}

}