Write and test a CopyEvens.java program with a copyEvens() method that returns a

Question

Write and test a CopyEvens.java program with a copyEvens() method that returns a new array containing just the even numbers in its input int array (if any):
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copyEvens should have the following header:
          public static int[] copyEvens(int[] a)
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copyEvens should go through the array a passed into the method to determine how many even integers are in a, then create a new array of that size and copy the even ints in a into the new array and return it.
Hint: use a separate counter variable to fill up the new array as you’re going through the a array in a for loop.
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In addition, write a helper method countEvens() with this header:
           private static int countEvens(int[] a)
that counts the number of even ints in a and returns that count.
copyEvens should call the countEvens() method to determine the size of its returned array.

Explanation / Answer

Please find the required program along with its output. Please see the comments against each line to understand the step.

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OUTPUT:

Evens array: [2, 6, 2, 8]

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