1×1=1
2×1=2,2×2=4
3×1=3,3×2=6,3×3=9
......
9×1=9,9×2=18,9×3=27,… 9×9=81
public class Base { public static void main(String[] args) { int i,j; for(i=1;i<=9;i++) { for(j=1;j<=i;j++) { int k=i*j; System.out.print(i+"*"+j+"="+k); if(j!=i){ System.out.print(","); } } System .out.println(); } } }
| publicvoidmultiplication() { // TODO Auto-generated method stub for(inti =1; i <10; i++) { for(intj =1; j <= i; j++) { System.out.print(i +"*"+ j +"="+ i*j); if(j != i) { System.out.print(","); } } System.out.println(""); } } |
public static void main(String[] args) {
for (int i = 1; i < 10; i++){
for (int j = 1; j <= i; j++){
System.out.print(i + "*" + j + "=" +(i*j));
System.out.print(" ");
}
System.out.println();
}
} public class multiplication {
public static void main(String[] args) {
for (int i = 1; i < 10; i++) {
for (int j = 1; j <= i; j++) {
System.out.printf("%d*%d=%-2d\t", j, i, i*j);
}
System.out.println();
}
}
} package com.java3.ch1;
/*
思路分析:采用双重循环 i 和 j 来输出,其中 i 控制行数, j 控制列数
观察可以最后一个输出后面不加空格,可以使用if - else 来解决
*/
public class Q1 {
public static void main(String[] args) {
for(int i = 1;i < 10;i++){
for(int j = 1;j <= i;j++){
if( j == i){
System.out.print(i + "×" + j + "="+ i*j);
break;
}
System.out.print(i + "×" + j + "="
+ i*j + ",");
}
System.out.println();
}
}
}
public static void main(String[] args) { for (int i = 1; i < 10; i++) { for (int j = 1; j <= i; j++) { System.out.print(i + "*" + j + "=" + i * j); if (i != j) { System.out.print(","); } else { System.out.println(); } } } }
public class xunhuan{
public static void main(String[] args){
for(int i=1;i<=9;i++){
for(int j=1;j<=i;j++){
if (j==i){ system.out.print(i+"*"+j+"="i*j);break;}
system.out.print(i+"*"+j+"="+i*j+",");
}
system.out.println(" ");
}
}
} 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(); }