Java Modifying Elements in a foreach

Question

I\'m learning Java on my own; and therefore the code below has no function other than for learning/testing.

Essentially I\'m trying to modify the elements of an Inte

Answer 1

You can't do that in a foreach loop.

for (int i=0; i

Else you are not assigning it back into the array. Integer objects are immutable by the way so can't modify them (creating new ones though).

Updated from comment: Beware though that there are a few things going on, autoboxing/unboxing for example, roughly:

copyArray[i] = Integer.valueOf(copyArray[i].intValue()/2);