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118. union

VBScript

JScript

Perl

PHP

$a1 = array(1,2);
$a2 = array(2,3,4);
array_unique(array_merge($a1, $a2))

Python

{1,2} | {2,3,4}

Ruby

[1,2] | [2,3,4]

PowerShell

Scala

F#

C

C++

C++Builder

VC++

C#

Java

Objective-C

D

VB

VB.NET

Delphi

Ada

PL/SQL

T-SQL