奇数和偶数

题目:

       用户输入一系列整数,统计奇数个数和偶数个数,并打印出来。


代码:

import java.util.Scanner;

public class oddEven 
{
	
	private static Scanner in;

	public static void main(String args[])
	{
		final int max = 1000;
		in = new Scanner(System.in);
		int totalNum[] = new int[max];//所有的数
		int oddNum[] = new int[max];//奇数
		int evenNum[] = new int[max];//偶数
		int count = 0,oddCount = 0,evenCount = 0;
		System.out.println("请输入一系列整数:");
		while (in.hasNextDouble())
		{  
			totalNum[count] = in.nextInt();
			if(totalNum[count]%2==0)
			{
				evenNum[evenCount] = totalNum[count];
				evenCount++;
			}
			else
			{
				oddNum[oddCount] = totalNum[count];
				oddCount++;
			}
			count++;
		}
		System.out.println("奇数为:");
		for(int i=0;i<oddCount;i++)
		{
			System.out.println(oddNum[i]);
		}
		System.out.println("偶数为:");
		for(int i=0;i<evenCount;i++)
		{
			System.out.println(evenNum[i]);
		}
		System.out.println("奇数"+oddCount+"个,偶数"+evenCount+"个,一共"+count+"个整数");
		
	}
	
}

 


运行结果:

奇数和偶数