import java.io.*;
class count{

    int num;
    String on;
    String en;
    //String num1;
   // void result(){
     ///   System.out.println("The num is "+on);
       // System.out.println("The num is "+en);
  //  }
   // public void setnumber(){
          //  if (num%2>0){
         // //  
                
            
          // }
           // }
}

    public  class accout{
     
            public static void main() throws IOException
            {
                count rect1=new count();
               // rect1.num;
                rect1.on="odd number";
                rect1.en="even number";
                String str;
                BufferedReader buf;
                
                buf = new BufferedReader(new InputStreamReader (System.in));
                
                System.out.println("Input a number: ");
                str = buf.readLine();
                rect1.num=Integer.parseInt(str);
              
                
                if ((rect1.num>0 )&& (rect1.num % 2==0) ){
                     

                   
                    System.out.println("The num is "+rect1.en);
                    
                }
                else 
                    System.out.println("The num is "+rect1.on);
                
            
            }
    
    }

kof821117 wrote:
我自己写的，看看，或许是这个思路～～如果有缺点请提出来

why wrote:
> 写一程序，用以判断一个五位整数N的各位数字的奇偶性，并求出它们的和，运行结果提示：
> 偶数个数：2
> 奇数个数：3
Where is 它们的和?

> (100<a)&&(a<1000)&&(b==0)?"A":"B"
Now, not matter n is odd or even, it will result in "B" when n is out of the range.

kof821117 wrote:
我自己写的，看看，或许是这个思路～～如果有缺点请提出来

public class JudgeOddEven {

  private static int WUWEISHUZI = 54321;
  private static int i;
  private static int g;  
  private static int gs;
  private static int s;
  private static int gsb;
  private static int b;
  private static int gsbq;
  private static int q;
  private static int w;
  private static int countOdd = 0;
  private static int countEven = 0;
  private JudgeOddEven(){
    
  }
  
  private void business(){
    i = WUWEISHUZI;
    g = i%10;
    System.out.println("***g = " + g);
    gs = i%100;
    s = (gs - g)/10;
    System.out.println("***s = " + s);
    gsb = i%1000;
    b = (gsb - gs)/100;
    System.out.println("***b = " + b);
    gsbq = i%10000;
    q = (gsbq - gsb)/1000;
    System.out.println("***q = " + q);
    w = (i - gsbq)/10000;
    System.out.println("***w = " + w);  
  }
  
  private void process(int j){
    if ( j == 2){
      System.out.println("******" + j + "is an Even.");
      countEven ++;
    }else if ( j > 2 && j % 2 == 0){
      System.out.println("******" + j + "is an Even.");
      countEven ++;
    }else{
      System.out.println("******" + j + "is an Odd.");
      countOdd ++;
    }
  }
  private int result(){
    int p = g + s + b + q + w;
    return p;
  }
  private void display(){
    business();
    process(g);
    process(s);
    process(b);
    process(q);
    process(w);
    System.out.println("The sum of the five figure is: " + result());
    System.out.println("The Number of Odd is: " + countOdd);
    System.out.println("The Number of Even is: " + countEven);
  }
  /**
   * @param args
   */
  public static void main(String[] args) {
  
    JudgeOddEven j = new JudgeOddEven();
    j.display();
  }

}

binge wrote:
额外的一个问题，本论坛里的代码不能COPY啊！
没有自动换。

package net.cjsdn.why;

public class JudgeOddEven {
  private int inputNumber;
  private int[] digits;
  private int numDigits = 5;
  private int countOdd = 0;
  private int countEven = 0;
  private int sumOfDigits = 0;

  public JudgeOddEven() {
    digits = new int[numDigits];
  }

  public JudgeOddEven(int numDigits) {
    if (numDigits >= 1) {
      this.numDigits = numDigits;
    }
    this.digits = new int[numDigits];
  }

  public int getCountEven() {
    return countEven;
  }

  public int getCountOdd() {
    return countOdd;
  }

  public int getSumOfDigits() {
    return sumOfDigits;
  }

  public int getInputNumber() {
    return inputNumber;
  }

  public void setInputNumber(int number) {
    //TODO: check whether number has the correct number of digits
    inputNumber = number;
    sumOfDigits = 0;
    countEven = 0;
    countOdd = 0;
    
    //TODO: comment on div1 & div2
    for (int i = 0, div1 = 1, div2 = 10; i < numDigits; i++) {
      digits[i] = (inputNumber % div2) / div1;
      div1 = div2;
      div2 *= 10;

      sumOfDigits += digits[i];
        
      if ((digits[i] % 2) == 0) {
        countEven++;
      } else {
        countOdd++;
      }
    }  
  }

  public void printResult() {
    System.out.println("数字：" + inputNumber);
    System.out.println("偶数个数：" + countEven);
    System.out.println("奇数个数：" + countOdd);
    System.out.println("各位数字的和" + sumOfDigits);  
  }
  
  public static void main(String[] args) {
    JudgeOddEven joe = new JudgeOddEven(5);
    joe.setInputNumber(12345);
    joe.printResult();
  }
}

joe031102 wrote:
元老果然就是元老，。谢谢你的指点。我继续努力，嘿嘿。

public class Hello
{ public  static  void main(String args[])
{   int i,j;
    j=0;
    i=0;
  int countofbit,countofodd,countofeven,sumofodd,sumofeven;
  int a=1258063320;
  countofodd=0;
  countofeven=0;
  sumofodd=0;
  sumofeven=0;
  countofbit=Integer.toString(a).length();
  for (j=0;j<countofbit ;j++ )
  {i=a%10;                            //余10,得到一位数
   a/=10;                            //除以10                           
   if (i==0)
   {
     countofeven--;  //偶数应减去0的个数
   }
   if (i%2==0)
   {   
     countofeven++;                //偶数或0,则countofeven加1
       sumofeven+=i;                 //计算偶数和
   }
   else
    { countofodd++;                //奇数,则countofodd加1
        sumofodd+=i;                 //计算奇数和
   }  
  }
    System.out.println("总位数："+countofbit);
  System.out.println("偶数个数："+countofeven);
  System.out.println("奇数个数："+countofodd);
  System.out.println("0个数："+(countofbit-countofeven-countofodd));  //计算0的个数
    System.out.println("偶数和："+sumofeven);
    System.out.println("奇数和："+sumofodd);

}

}