class ForForTest
{ public static void main(String[] args) { /*用for循环做出以下图: * * * * * * * * * * * * * * * */ for(int x=1; x<=5; x++) { for(int y=1; y<x; y++) { System.out.print(" "); } for(int z=x; z<=5; z++) { System.out.print("*"); } System.out.println(); } }}
//方法二:
public class Test2 { public static void main(String[] args) { String s = ""; String x =""; for (int i = 5; i > 0; i--) { x =""; System.out.print(s); for (int j = 0; j < i; j++) { x += "* "; } s += " "; System.out.print(x); System.out.println(); } }}