Java_001 输出三角形(方法) 21/02/26

public class TestDemo {
    
    
    //打印三角形
    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<=i ; j++){
    
    
                System.out.print("*");
            }
            for (int j= 1 ; j<i ; j++){
    
    
                System.out.print("*");
            }
            System.out.println();
        }
    }
}