---
title: "How to remove Whitespaces from String in java?"  
description: "How to remove Whitespaces from String in java?"  
author: "Mukul Goenka"  
published: 2021-11-17  
canonical: https://www.mindstick.com/interview/33832/how-to-remove-whitespaces-from-string-in-java  
category: "java"  
tags: ["c#", "javascript", "java", "programming language"]  
reading_time: 1 minute  

---

# How to remove Whitespaces from String in java?

```
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.

## Answers

### Answer by Mukul Goenka

```
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.


---

Original Source: https://www.mindstick.com/interview/33832/how-to-remove-whitespaces-from-string-in-java

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