How to concatenate two strings with the << operator in Ruby

Overview

Concatenating strings or string concatenation means joining two or more strings together. In Ruby, we can use the plus + operator to do this, or we can use the double less than operator <<. In this shot, we will use the << operator.

Syntax

str1 << str2

Parameters

• str1: one of the strings you want to concatenate.
• str2: the second of the strings you want to concatenate.

Return value

The return value is a new string that is a concatenation of the specified strings.

Code example

In the code example below, we create strings and use the << operator to concatenate them.