java 实现99乘法表

public void chengfabiao_for()

{

for (int i = 1; i <= 9; i++) {

for (int j = 1; j <= 9; j++) {

if (i >= j) {

System.out.print(i + "*" + j + "=" + (i * j) + " ");

}

}

System.out.println();

}

}



public void chengfabiao_while()

{

int i = 9;

while (i >= 1) {

int j = i;

while ((j <= i) && (j > 0)) {

System.out.print(i + "*" + j + "=" + j * j + " ");

j--;

}

System.out.println(" ");

i--;

}

}