public class NineNineMulTable{public static void main(String[] args){for(int i = 1; i <= 9; i ++){for(int j = 1; j <= i; j ++){System.out.print(j + " * " + i + " = " + i * j + "\t");//再次先输出j在输出i是打印出来是1*2，2*2}System.out.println();}}
}

打印结果截图：