java列印九九乘法表，java列印乘法

java列印九九乘法表，java列印乘法

package baseDemo1;/** * Description:列印九九乘法表 * @author chen 2014年11月27日15:20:38 * */public class NineNine {public static void main(String[] args) {NineNine.nineNine();}static void nineNine(){for (int i = 1; i < 10; i++){for (int j = 1; j <= i; j++){System.out.printf("%d*%d =%2d  ", i, j, i*j); //%2d表示i*j的結果佔2個格}//換行System.out.println();}}}

列印結果：

1*1 = 1  2*1 = 2  2*2 = 4  3*1 = 3  3*2 = 6  3*3 = 9  4*1 = 4  4*2 = 8  4*3 =12  4*4 =16  5*1 = 5  5*2 =10  5*3 =15  5*4 =20  5*5 =25  6*1 = 6  6*2 =12  6*3 =18  6*4 =24  6*5 =30  6*6 =36  7*1 = 7  7*2 =14  7*3 =21  7*4 =28  7*5 =35  7*6 =42  7*7 =49  8*1 = 8  8*2 =16  8*3 =24  8*4 =32  8*5 =40  8*6 =48  8*7 =56  8*8 =64  9*1 = 9  9*2 =18  9*3 =27  9*4 =36  9*5 =45  9*6 =54  9*7 =63  9*8 =72  9*9 =81