Build a methed to return a new array centaining all

Question

Exercise: addArrays -

Please build a method to return a new array centaining all elements of the first array ("a1") and then the secend array ("a2"):

public static int[] addArrays (int[] a1, int[] a2)

{

....

}

Write a method that returns a new array with the value ef each element increased by the given parameter "increment".

public static int incrementedArray (int a, int increment}