Java - Get even, odd, and average for double value array

  1. HOME
  2. Java
  3. Array
  4. Array Elements Accessing

Description

Get even, odd, and average for double value array

Demo

import java.util.*;
import java.io.*;

public class EvenOddNumAverage {
  public static void mAverageFunction(double even, double odd, int totalEven,
      int totalOdd) {
    double averageEven, averageOdd;
    averageEven = even / totalEven;// w w  w .j a v a 2s.  co  m
    averageOdd = odd / totalOdd;
    System.out.println("average Even :" + averageEven);
    System.out.println("average Even :" + averageOdd);

    double mSum = averageOdd + averageEven;
    System.out.println("Sum of Both Average: " + mSum);

    int mAverageSum = (int) Math.round(averageOdd + averageEven);
    System.out.println("Sum of Both Average: " + mAverageSum);

  }

  public static void evenOddNumberFinder(double array[]) {
    int countEven = 0;
    int countOdd = 0;
    double mSumOdd = 0;
    double mSumEven = 0;
    // int i;
    for (int i = 0; i < array.length; i++) {
      if (array[i] % 2 == 0) {

        mSumEven = mSumEven + array[i];
        countEven++;
      }
      if (array[i] % 2 != 0) {

        mSumOdd = mSumOdd + array[i];
        countOdd++;
      }
    }
    System.out.println("Even " + "Sum :  " + mSumEven + " Count :" + countEven);
    System.out.println("Odd " + "Sum :  " + mSumOdd + " Count :" + countOdd);
    mAverageFunction(mSumEven, mSumOdd, countEven, countOdd);

  }

  public static void main(String args[]) throws Exception {
    // Write code here
    int i;
    Scanner sc = new Scanner(System.in);
    System.out.print("Size :");
    int mSize = sc.nextInt();
    System.out.print("Values :");
    double[] Array = new double[mSize];
    for (i = 0; i < Array.length; i++) {
      Array[i] = sc.nextDouble();
    }

    evenOddNumberFinder(Array);

  }
}

Related Topic