一、打印九九乘法表

 /**
 * 打印九九乘法表
 */
 @Test
 public void test(){
   
    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()