输出九九乘法表:

class Hello2 {
    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');
        }
        System.out.println();
    }
    }
}

结果:

  '\t':制表符