How to remove Whitespaces from String in java?

Mukul Goenka 996 17 Nov 2021

1 Answers

Mukul Goenka 17 Nov 2021

import java.util.*;
public class MyClass {
    public static void main(String args[]) {
      MyClass hw = new MyClass();
        String str = "Hi am a  not robot   .";
        System.out.println(hw.removeWhiteSpaces(str));
    }
    
    String removeWhiteSpaces(String input){
     StringBuilder output = new StringBuilder();
     char[] charArray = input.toCharArray();
     for(char c : charArray) {
      if (!Character.isWhitespace(c))
       output.append(c);
     }
     return output.toString();
    }
}

Output.

Hiamanotrobot.

Markdown for AI

A clean, structured version of this page for AI assistants and LLMs.

Open .md

interview

How to remove Whitespaces from String in java?

Can you answer this question?

1 Answers