switchstmt.java

java课件及例程有一些PPT及一些例程

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