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jAvA判断一个数是不是完全数

import java.io.*; public class Demo2 { public static void main(String []args) { try{ InputStreamReader isr=new InputStreamReader(System.in); BufferedReader br=new BufferedReader(isr); System.out.print("请输入一个数:"); String ...

import java.io.*; public class Demo2 { public static void main(String []args) { try{ InputStreamReader isr=new InputStreamReader(System.in); BufferedReader br=new BufferedReader(isr); System.out.print("请输入一个数:"); String ...

代码如下,希望能帮到你~! import java.util.Scanner; public class PerfectNumber { /** * @param args */ public static void main(String[] args) throws Exception { // TODO Auto-generated method stub Scanner in = new Scanner(System....

java中如何判断一个数是否完全数,可以分为求约数(不包括本身)、求约数之和以及比较自身和约数之和是否相等三个步骤。 第一步:求约数 public static List yueShu(int n){ List list = new ArrayList(); for(int i=1;i

import java.util.Scanner; public class Test { public static void main(String[] args) { Scanner input = new Scanner(System.in); int i = input.nextInt(); int k; int j = 1, sum = 0; // 而应在该处为j赋初值1; while (j

public class TestFullNum {public static void main(String[] args) {for (int index = 1; index < 100; index++) {// 如果是完全数,则输出if (isFullNum(index)) {System.out.println(index);}}}/** * 判断狮子是不是完全数 * * 完全数定义: ...

public static void completeNumber(int number){List list = new ArrayList();list.add(1);for (int i = 1; i

import java.util.Scanner; public class Test1 { public static void main(String args[]) { Scanner scanner = new Scanner(System.in); if(isFullNum(scanner.nextInt())) { System.out.println("是完数"); } else { System.out.println("不...

public class Test { public static void main(String[] args){ System.out.println("1 到 1000 的完数"); for ( int i=1 ; i

package test; public class test { public static void main(String args[]) { int sum = 0; for (int i = 1; i

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