catTwoIntArrays2.kt

//Copy using for loops
fun catTwoIntArrays2(array1 :IntArray, array2 :IntArray) : IntArray {
    val newArray = IntArray(array1.size + array2.size )

    for ((index, value) in array1.withIndex()) {
        newArray[index] = value
    }

    for ((index, value) in array2.withIndex()) {
        newArray[index + array1.size] = value
    }
    return newArray
}