architectapp3.java

java程序设计语言源代码

//Example 10 of Chapter 2

import javax.swing.JOptionPane;

public class ArchitectApp3
{
	public static void main(String[] args)
	{
		String output = "";
		int count = 0;
		for(int a=1;a<=10;a++)
			for(int b=a;b<=10;b++)
				for(int c=b;c<=10;c++)
					for(int d=c;d<=10;d++)
						++count;
		output +="总共可以得到"+count+"组不同的组合。";
		JOptionPane.showMessageDialog(null,output);
		System.exit(0);
	}	
}