public class Test { public static void cf_1(){ for (int i =1; i<=9 ; i++) { for (int j =1; j<=i; j++) { System.out.print(i+"*"+j+"="+i*j+"\t"); } System.out.println(); } } public static void cf_2(){ for (int i =1; i<=9 ; i++) { for (int j =i; j>=1; j--) { System.out.print(i+"*"+j+"="+i*j+"\t"); } System.out.println(); } } public static void main(String args[]){ cf_1(); System.out.println("=========================================================="); cf_2(); } }
public class TestFor2 { public static void main(String[] args) { // TODO 自动生成方法存根 //外层控制行 for(int x = 1;x <= 9; x++){ //内层控制列数 for(int y = 1;y <= x; y++){ System.out.print(x + " * " + y + " = " + x*y + " "); } System.out.println(); } } }
上面的错了,没看清楚楼主的问题。 更正:public class TestFor2 { public static void main(String[] args) { // TODO 自动生成方法存根 //初使化,并计算出 for(int x = 1;x <= 9; x++){ for(int y = x;y >= 1; y--){ System.out.print(x + " * " + y + " = " + x*y + " "); } System.out.println(); } } }
面向对象的思想,写一个乘法器 public class test{ public static void main(String[] args){ mutier m = new mutier();
m.mutier(9);
} }class mutier{ private int r; public void mutier(int n){ for(int i=n;i>=1;i--){ r=n*i; System.out.print(n+"*"+i+"="+r+" "); } System.out.println(); if (n-1!=0) { mutier(n-1); }
[code=Java][public class Number { public static void main(String[] args) { for (int i = 1; i <= 9; i++) { for (int m = 1; m <= 9; m++) { System.out.print(i + "*" + m + "=" + i * +m + " "); } System.out.println(); } }} ]
System.out.println("1*1=1");
System.out.println("2*2=4 2*1=2");
...
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;public class Test{ public static void main(String[] a) throws Exception{
Test.show(5);
}
public static void show(int value)
{
for(int i = value ; i > 0 ; i--)
{
System.out.print(value+"*"+i+"="+value*i + " ");
}
System.out.println();
if(value-1!=0)
show(value-1);
else
return;
}
}
输出5*5=25 5*4=20 5*3=15 5*2=10 5*1=5
4*4=16 4*3=12 4*2=8 4*1=4
3*3=9 3*2=6 3*1=3
2*2=4 2*1=2
1*1=1
public class Test {
public static void cf_1(){
for (int i =1; i<=9 ; i++) {
for (int j =1; j<=i; j++) {
System.out.print(i+"*"+j+"="+i*j+"\t");
}
System.out.println();
}
}
public static void cf_2(){
for (int i =1; i<=9 ; i++) {
for (int j =i; j>=1; j--) {
System.out.print(i+"*"+j+"="+i*j+"\t");
}
System.out.println();
}
}
public static void main(String args[]){
cf_1();
System.out.println("==========================================================");
cf_2();
}
}
public class TestFor2 { public static void main(String[] args) {
// TODO 自动生成方法存根 //外层控制行
for(int x = 1;x <= 9; x++){
//内层控制列数
for(int y = 1;y <= x; y++){
System.out.print(x + " * " + y + " = " + x*y + " ");
}
System.out.println();
}
}
}
更正:public class TestFor2 { public static void main(String[] args) {
// TODO 自动生成方法存根 //初使化,并计算出
for(int x = 1;x <= 9; x++){
for(int y = x;y >= 1; y--){
System.out.print(x + " * " + y + " = " + x*y + " ");
}
System.out.println();
}
}
}
面向对象的思想,写一个乘法器
public class test{
public static void main(String[] args){
mutier m = new mutier();
m.mutier(9);
}
}class mutier{
private int r;
public void mutier(int n){
for(int i=n;i>=1;i--){
r=n*i;
System.out.print(n+"*"+i+"="+r+" ");
}
System.out.println();
if (n-1!=0) {
mutier(n-1);
}
for (int i = 1; i <= 9; i++) {
for (int m = 1; m <= 9; m++) {
System.out.print(i + "*" + m + "=" + i * +m + " ");
}
System.out.println();
}
}}
]
让你的代码在//code=Java
代码要在这里!帅哥
///code之间
1*1=1
2*2=4 2*1=2
3*3=9 3*2=6 3*1=3
...... ..... .... ...
**/
package com.cn.testquestion;
public class JiuJiuBiao
{
public static void main(String args[])
{
new JiuJiu().toJiuJiu();
}
}
class JiuJiu
{
public void toJiuJiu()
{
for(int i=0;i<9;i++)
{
for(int j=0;j<=i;j++)
{
System.out.print((i+1)+"*"+(j+1)+"="+(i+1)*(j+1)+" ");
}
System.out.println();
}
}
}
package text;
import java.io.InputStream;
import java.io.OutputStream;
public class A{
public static void main(String args[]){
for(int i=1;i<=9;i++){
for(int j=i;j>=1;j--){
System.out.print(i+"*"+j+"="+(i*j)+" ");
}
System.out.println();
}
}
}
for(int i=0;i<10;i++){
for(int j=1;j<i+1;j++){
System.out.print(i+"*"+j+"="+i*j+"\t");
}
System.out.println();
}
}
//外层控制行
for(int x = 1;x <= 9; x++){
//内层控制列数
for(int y = 1;y <= x; y++){
System.out.print(x + " * " + y + " = " + x*y + " ");
}
System.out.println();
}
}
}
for(int j=i;j>0i;j--){
System.out.print("i*j="+i*j+"");
}
System.out.println("");
}
for(int j=i;j>0i;j--){
System.out.print(i+"*"+j+"="+i*j+"");
}
System.out.println("");
}