architectapp2.java

java程序设计语言源代码

//Example 9 of Chapter 2

import javax.swing.JOptionPane;

public class ArchitectApp2
{
	public static void main(String[] args)
	{
		String output = "";
		for(int a=0;a<10;a++)
			for(int b=0;b<10;b++)
				for(int c=0;c<10;c++)
					for(int d=0;d<10;d++)
						if((((1000*a+100*b+10*c+d)-(100*c+10*d+c))
							==(100*a+10*b+c))&a!=0&c!=0)
							{
								output +="\n所求的四个数是："+a+","+b+","+c+","+d;
								output +="\n所求的算式是：";
								output +="\n    "+a+b+c+d;
								output +="\n  -  "+c+d+c;
								output +="\n------------";
								output +="\n     "+a+b+c;
							}
		JOptionPane.showMessageDialog(null,output);
		System.exit(0);
	}	
}