Join an array of strings in Apex

Question

Using Apex, I want to split a string and then rejoin it with the 'AND' operator as the separator.

I split the string successfully but having an issue in rejoining it.

String [] ideaSearchText = searchText.Split(' ');

 // How to rejoin the array of strings with 'AND'?

How can I do this?

Answer 1

You can join an array of strings by using String.join( ) for String[]

String input = 'valueOne valueTwo valueThree'; 

String[] values = input.split(' '); 

String result = String.join( values, ' AND ' );

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