Copy contents of an int array to a double array in Java?

Question

I\'m trying to copy the contents of my int array into an array of type double. Do I have to cast them first?

I successfully copied an array of type int to another a

Answer 1

Worth mentioning that in this day and age, Java 8 offers an elegant one-liner to do this without the need to use third-party libraries:

int[] ints = {23, 31, 11, 9};
double[] doubles = Arrays.stream(ints).asDoubleStream().toArray();