java how input spaces of triangular pyramid

public class xinghao {
  public static void main(String args[]) {
    for(int i=1;i<=5;i++){
      for(int j=1;j<=5-i;j++){
        System.out.print(" ");}
      for(int k=1;k<=i;k++) {
        System.out.print("* "); ----星号后面有一个空格
        }
    System.out.println();
    }
  }
}

 operation result:           

    *
   * *
  * * *
 * * * *
* * * * * Analysis: The two cycles in a row, j and k are independent, clear relationship to debate them, otherwise the result of the output is wrong, the most important or consider carefully the inner loop contains relations

 

Guess you like

Origin www.cnblogs.com/chenxue-wscls/p/11595119.html