switchstmt1.java

来自「java课件及例程有一些PPT及一些例程」· Java 代码 · 共 33 行

//SwitchStmt1.java
//this program is about the switch statements
import java.io.*;
public class SwitchStmt1{
  public static void main(String[] args){
     char i=0,m,n;
     System.out.println("please input a integer(0-9):");
     try{
       i = (char)System.in.read();
     }
     catch(Exception e){
       System.out.println("error:"+e.toString());	
     }
     System.out.println(i);
     switch(i){
        case '0':
               m = 'A';
               n = '0';
               break ;
        case '1':
               m = 'B';
               n = '1';
               break;      
        case '2':
               m = 'C';
               n = '2'; 
               break;
        default:m = 'V';
                n = (char)i;
     }
     System.out.println("m="+m+",n="+n);
  }
}