*

* *

* * *

* * * *

* * * * *

package prepare1;public class Test {	public static void main(String args[]) {		for(int i = 1;i<=5 ;i++) {			for(int j = 1;j<=i;j++) {				System.out.print("* ");//注意这里没有ln			}			System.out.println();		}System.out.println();	}}