java基础-99乘法表

99乘法表for循环、while循环

class Print99{

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();

}

}

}

/*

99乘法表

*/

class While99{

public static void main(String[] args){

int i=1;

while(i<10){

int j=1;

while(j<10){

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

j++;

}

System.out.println();

i++;

}

}

}

/*

99乘法表

左斜

*/

class While99Zuo{

public static void main(String[] args){

int i=1;

while(i<10){

int j=1;

while(j<=i){

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

j++;

}

System.out.println();

i++;

}

}

}