第四次java

if(a>=3&&a<=5){
System.out.println("该月份为春季");
}
if(a>=6&&a<=8){
System.out.println("该月份为夏季");
}
if(a>=9&&a<=11){
System.out.println("该月份为秋季");
System.out.println(" ");
}
}
}
}
100个同学置骰子问题
public class test{
public static void main(String[] args) {
int i = 1;
int fac = 1;
int num=10;
while(i <= num){
fac = fac * i;
i++;
}
System.out.println(fac);
}
}
}
}
System.out.println(max);
}
}
小明买玩具
public class test{
public static void main(String[] args){
double sum=0;
int i;
for(i=0;i<=2000;i++){
System.out.println("成立的最小i是"+i);
}
}
//用do...while
public class test{
public static void main(String[] args){
int i=0,sum=0;
do
{sum=sum+i*i;
if(sum>=10051005)break;
Scanner sc = new Scanner(System.in);
int x=sc.nextInt();
int i;
for (i=0;i&lt;x;i++){
int y=(int)(1+((Math.random())*6));
System.out.println("第"+i+"次结果是："+y);
public class test{
public static void main(String[] args){
int i,sum=0;
for(i=0;i<=2000;i++)
{sum=sum+i*i;
if(sum>=10051005)break;}
System.out.println("成立的最小i是"+i);
i = i+1;
a = a*(1.0/i);
}
System.out.println(sum);
}
}
随机数最大值
import java.util.Random;
public class Test1 {
public static void main(String args[]) {
}
}
}
九九乘法表
public class test3{
public static void main(String[] args){
for(int i=1;i<=9;i++){
for(int k=1;k<=i;k++){
System.out.print(i+"*"+k+"="+(i*k));
}
for(int xing=1;xing<=i;xing++){
System.out.print("* ");
}
System.out.println();
}
for(int j=1;j<=5;j+=2){
for(int kong1=1;kong1<j+3;kong1++){
public class Test{
public static void main(String args[])
{
double sum = 0,a = 1;
int i = 1;
while(i < 20)
{
sum = sum+a;
i++;}while(i<=2000);
System.out.println("成立的最小i是"+i);
}
}
键盘输入骰子
import java.util.Scanner;
public class test3{
public static void main(String[] args){
}
}
//用while
public class test{
public static void main(String[] args){
int i=0,sum=0;
while(i<=2000)
{sum=sum+i*i;
if(sum>=10051005)break;
i++;}
20的5次方
public class Test1{
public static void main(String[] args) {
int a=20*20*20*20*20；
System.out.println(a);
}
}
闰年
import java.io.*;
public class Test{
if(j>=i/2+1)
{
if(n%6==1)
System.out.println("");
System.out.print(i+",");
n++;
}
}
}
}
关于10的阶乘
public class Test1{
int i;
for (i=0;i<12;i++){
int y=(int)(1+((Math.random())*6));
System.out.println("第"+i+"次结果是："+y);
}
}
}
//三种循环判断小于10051005
//用for
// 定义一个数组存放随机数：
int[] randoms = new int[10];
// 产生10个随机数：
for (int i = 0; i < randoms.length; i++) {
int rn=(int)(Math.random()*100);
randoms[i]=rn;
int x=randoms[i];
System.out.println(randoms);
}
int max = 0;
for(int i = 0 ; i < randoms.length ; i++){
if(randoms[i] > max){
max = randoms[i];
public class Test{
public static void main(String[] args){
Scanner in=new Scanner(System.in);
System.out.println("请输入月份");
int a=in.nextInt();
public static void main(String args[]){
int m=0;
try{
System.out.print("请输入要判断的年数:");
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
}
}
}
74 2
public class Test{
public static void main(String args[]){
for(int i=1;i<=7;i+=2){
for(int kong=7;kong>i-1;kong--){
System.out.print(" ");
if(i%5==0)sum=sum-6;
sum=sum+2.5;
if(sum>=100)break;}
System.out.println("小明可以在第"+i+"天买到玩具。");
}
}
仿真12次置骰子的结果
public class test{
public static void main(String[] args){