//ForOp2.java
//for語句的嵌套
public class ForOp2
{
	public static void main(String args[])
	{
		int i,j,k; 
        System.out.println("i   j   k"); 
        for (i=0; i<2; i++) 
           for(j=0; j<2; j++) 
              for(k=0; k<2; k++) 
                 {
                 	 System.out.print(i+"   "+j+"   "+k);
                 	 System.out.println();
                 }
	}
}