图形框输入输出

package dome;
import javax.swing.JOptionPane;

public class Thisgay {
public static void main(String args[]){

String number1 ,number2;
number1=JOptionPane.showInputDialog("请输入");//要有引号
number2=JOptionPane.showInputDialog("第二个");
int sum,x,y,z;
int a,b;
a=Integer.parseInt(number1);
b=Integer.parseInt(number2);//字符转换数字
sum=a+b;
System.out.println(sum);
x=a*b;
System.out.println(x);
y=a/b;


System.out.println(y);
z=a-b;
System.out.println(z);
String output="" ;
output=sum+" "+x+" "+y+" "+z;//输出一堆 

JOptionPane.showMessageDialog(null, output);

JOptionPane.showMessageDialog(null, x);
JOptionPane.showMessageDialog(null, y);
JOptionPane.showMessageDialog(null, z);}

}