Array concatenation: Difference between revisions

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@@ Line 1,438: / Line 1,438: @@
 =={{header|Java}}==
+<lang java5>public static Object[] concat(Object[] arr1, Object[] arr2) {
-From [http://forums.sun.com/thread.jspa?messageID=1762690#1762690]:
-<lang java5>public static Object[] objArrayConcat(Object[] o1, Object[] o2)
+    Object[] res = new Object[arr1.length + arr2.length];
-{
-  Object[] ret = new Object[o1.length + o2.length];
-  System.arraycopy(o1, 0, ret, 0, o1.length);
+    System.arraycopy(arr1, 0, res, 0, arr1.length);
-  System.arraycopy(o2, 0, ret, o1.length, o2.length);
+    System.arraycopy(arr2, 0, res, arr1.length, arr2.length);
-  return ret;
-}</lang>
+    return res;
-Or with <code>Collection</code>s simply call <code>addAll</code>:
+}</lang>
-<lang java5>Collection list1, list2, list1And2;
-//...list1 and list2 are instantiated...
-list1And2 = new ArrayList(list1); //or any other Collection you want
-list1And2.addAll(list2);</lang>
 =={{header|JavaScript}}==