by Sai gowtham

How to replace multiple spaces with single space in Java

To replace the multiple white spaces from a string with a single white space, we can use the replaceAll() method by passing the //s+ regex as a first argument and single space (" ") as the second argument.

Here is an example:

public class Main
{
    public static void main(String[] args) {
        String  name= "John   doe   ray";        String removeSpaces = name.replaceAll("\\s+", " ");        System.out.println(removeSpaces);
   }
}

Output:

"John doe ray"

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