Array concatenation
Show how to concatenate two arrays in your language. If this is as simple as adding a list to a list, so be it.
Array concatenation
You are encouraged to solve this task according to the task description, using any language you may know.
You are encouraged to solve this task according to the task description, using any language you may know.
Java
From [1]: <lang java5>public static Object[] objArrayConcat(Object[] o1, Object[] o2) {
Object[] ret = new Object[o1.length + o2.length]; System.arraycopy(o1, 0, ret, 0, o1.length); System.arraycopy(o2, 0, ret, o1.length, o2.length); return ret;
}</lang>
Or with Collection
s simply call addAll
:
<lang java5>Collection list1, list2, list1And2;
//...list1 and list2 are instantiated...
list1And2 = new ArrayList(list1); //or any other Collection you want
list1And2.addAll(list2);