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Attend our Free Webinar on How to Nail Your Next Technical Interview

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How To Nail Your Next Tech Interview

Hosted By
Ryan Valles
Founder, Interview Kickstart
Our tried & tested strategy for cracking interviews
How FAANG hiring process works
The 4 areas you must prepare for
How you can accelerate your learnings

Java String join Examples

Attend our Free Webinar on How to Nail Your Next Technical Interview

WEBINAR +LIVE Q&A

How To Nail Your Next Tech Interview

Hosted By
Ryan Valles
Founder, Interview Kickstart
Our tried & tested strategy for cracking interviews
How FAANG hiring process works
The 4 areas you must prepare for
How you can accelerate your learnings

Java String join Examples

The `String.join()` method was introduced in Java 8 and is used to join multiple strings into one. It takes two arguments: the delimiter (the characters that will separate each substring) and the substrings that you want to join. This method is especially useful when dealing with large amounts of text, as it can save time and reduce the amount of code needed. Additionally, the `String.join()` method is more efficient than traditional `StringBuilder` or `StringBuffer` methods, as it does not require the creation of temporary objects. This article will provide examples of how to use the `String.join()` method, as well as some best practices for when to use it.

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The `String.join()` method in Java allows for concatenating strings using a delimiter. It takes two parameters: a delimiter and an array of strings. The method returns a single string containing all of the strings in the array, separated by the delimiter. Here is an example of using `String.join()` to join an array of strings: ```java String[] names = {"John", "Bob", "Alice"}; String joinedNames = String.join(", ", names); System.out.println(joinedNames); ``` This code would output the following string: `John, Bob, Alice`