/**
 * @author quhz
 *@deprecated 屏幕手动输入加减乘除等计算a与b的值
 */
import java.io.*;
public class Switch {
public static void main(String args[])
{
int a=5;
int b=3;
InputStreamReader fuhao=new InputStreamReader(System.in);
BufferedReader fuhao1=new BufferedReader(fuhao);
try
{
System.out.println("a的值为:"+a);
System.out.println("b的值为:"+b);
System.out.print("请输入加减乘除等:");
String str=fuhao1.readLine();
char str1=str.charAt(0);
switch(str1)
{
case '+':
System.out.println("a+b="+(a+b));
break;
case '-':
System.out.println("a-b="+(a-b));
break;
case '*':
System.out.println("a*b="+a*b);
break;
case '/':
System.out.println("a/b="+a/b);
   break;
default:
System.out.println("不识别的符号，无法运算");
break;
}
}catch(Exception e)
{
System.out.println("发生I/O错误");
System.err.println("法正I/O错误");
   e.printStackTrace();
}
}
}