Java program to remove whitespaces from the string

This program will show you how to remove whitespaces from a string using replaceAll function.

In this replaceAll function will replace all whitespace " " with "".

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import java.util.*;
public class Main
{
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        System.out.println("Enter the string");
        String str=sc.nextLine();
        str = str.replaceAll("\\s", "");
        System.out.println("String after removing white spaces- "+ str);
    }
}
 
 
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Java program to remove whitespaces from the string

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