for循环结构作业
打印一个三角形
package struct;
public class ForDemo05 {
public static void main(String[] args) {
for (int i = 1; i <=5; i++){
for (int j = 5; j >= i; j--){
System.out.print(" ");
}
for (int j = 1; j <= 2*i-1; j++){
System.out.print("*");
}
System.out.println();
}
}
}