package practice;

public class Practice {

public static void main(String[] args) {

7、

     *

     **

     *  *

     *   *

     *****

for (int i = 1; i <= 5; i++) {

for (int j = 1; j <= i; j++) {

if(i==5||j==1||i==j){

System.out.print("*");

}else{

System.out.print(" ");

}

}

System.out.println();

}

}

}