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用java循环语句编写程序,求正整数n的阶乘n!并输出,...

import java.util.Scanner; public class jiechen { public static void main(String []args){ Scanner scanner=new Scanner(System.in); System.out.println("请输入您要计算的数字"); int a=scanner.nextInt(); int jiecheng=1; for (int i = ...

import java.util.Scanner; public class Test { public static void main(String[] args) { Scanner cin = new Scanner(System.in); int n = cin.nextInt(); int result = 1; for (int i = 1; i

int n=77777; int i=1; while((n=n/10)>0){ i++; } System.out.println(n+"是"+i+"位数");

import java.util.Scanner; //递归法求阶乘,eclipse编译通过 public class Test { public static void main(String srag[]){ int num = 0; while(true){ System.out.println("请输入一个正整数:"); Scanner sc = new Scanner(System.in); num = ...

import java.util.Scanner; public class Test3 { /** * @param args */ public static void main(String[] args) { Scanner in=new Scanner(System.in); System.out.println("请输入一个正整数n"); int num=in.nextInt(); int sum=1; for(int i...

使用for循环即可,代码如下: import java.util.Scanner;public class Demo07 {public static void main(String[] args) {System.out.println("请输入你要求和的数:");//提示用户输入Scanner in = new Scanner(System.in);int max = in.nextInt...

import java.util.Scanner;import java.math.BigInteger;public class Main { public static void main(String[] args) { new Main().start(); } public void start() { Scanner in = new Scanner(System.in); while (in.hasNext()) { int n = i...

按照你的要求编写的求阶乘的Java程序如下 import java.util.Scanner;public class DDD { public static void main(String[] args) { System.out.print("请输入一个正整数(1~10)"); Scanner sc=new Scanner(System.in); int n=sc.nextInt(); if(n...

public static void main(String[] args) {Scanner in =new Scanner(System.in);System.out.println("请输入正整数!");String aa=in.next();String [] b=aa.split("");String [] bb=new String[]{};List list=new ArrayList();for (int i = 0; ...

/* * 需求:请用代码实现求5的阶乘。 * 下面的知识要知道: * 5! = 1*2*3*4*5 * 5! = 5*4! * * 有几种方案实现呢? * A:循环实现 * B:递归实现 * a:做递归要写一个方法 * b:出口条件 * c:规律 */public class DiGuiDemo {public static void main...

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