Write and test a CopyEvensjava program with a copyEvens meth

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.

Solution

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]