8+ Java Blank Space Remover Programs

This post contains a total of 8+ Java Blank Space Remover Program Examples with Source Code. All these Blank Space Remover Programs are used to remove Blank / White Space from Strings, and these programs are made using Java.

You can use the source code of these examples with credits to the original owner.

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Java Blank Space Remover Programs

1. By Hatsy Rei

Made by Hatsy Rei. A Very basic java program to remove blank space from a string. Source

hel lo
hello

import java.util.Scanner;

public class Program
{
    public static void main(String[] args) 
    {
        System.out.print(new Scanner(System.in).nextLine().replace(" ", ""));
    }
}

2. By Baraa AB

Made by Baraa AB. Program with two methods to Remove Spaces from a string. Source

Enter a Sentence : we re
were

import java.util.Scanner;

public class JavaProgram
{
   public static void main(String args[])
   {
        String str, strWithoutSpace;
        int i;
        Scanner scan = new Scanner(System.in);
        
        System.out.print("Enter a Sentence : ");
        str = scan.nextLine();
 
        //1. Using replaceAll() Method
 
        strWithoutSpace = str.replaceAll(" ", "");
 
        System.out.println(str);
 
        //2. Without Using replaceAll() Method
 
        char[] strArray = str.toCharArray();
 
        StringBuffer sb = new StringBuffer();
 
        for (i = 0; i < strArray.length; i++)
        {
            if( (strArray[i] != ' ') && (strArray[i] != '\t') )
            {
                sb.append(strArray[i]);
            }
        }
 
        System.out.println(sb); 
   }
}

3. By Aya

Made by Aya. Simple Empty space remover program. Source

a b c
abc

import java.util.Scanner;

public class Program
{
    public static void main(String[] args) 
    {
    Scanner input=new Scanner(System.in);
  
    String srt=input.nextLine();
    srt=srt.replaceAll("\\s","");
        System.out.print(srt);          
    }
}

4. By Muhd Khairul Amirin

Made by Muhd Khairul Amirin. Source

             **************
             *Remove Spaces
             **************
1 2 3
123

public class RemoveSpace
{

static void print(String a){
    System.out.println(a);
}


    public static void main(String[] args) {
    
    print("             **************");
    print("             *Remove Spaces");
    print("             **************");
      
System.out.println(new java.util.Scanner(System.in).nextLine().replaceAll(" ",""));
    }
}

5. By GTT

Made by GTT. Simple Java Program to remove Empty space from text and number strings. Source

Enter a string:: de mo
demo

import java.util.Scanner;

public class Program
{
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.print("Enter a string:: ");
        String input = scan.nextLine();
        
        //edit1 Display original string
        System.out.println(input);
        
        //split input to char array
        char[] characters=input.toCharArray();
        
        //create new copy reference
        String newCopy = "";
        
        //use enhanced for to loop &
        //"remove" any space characters
        for(char c : characters) {
            if(c != ' ') {
                newCopy += c;
            }
        }
        
        //Is the result as expected?
        System.out.println(newCopy);
    }
}

6. By Deepraj Chawda

Made by Deepraj Chawda. Source

enter String  qw er ty
qwerty

import java.util.Scanner;
public class Program
{
    public static void main(String[] args) {
        Scanner sc=new Scanner (System.in);
        String str;
        System.out.println("enter String  ");
        str =sc.nextLine();
     String s=str.replace(" ","");
       System.out.println(s);
    }
}

7. By Brianis Ruiz

Made by Brianis Ruiz. Program to remove blank space and special characters from a string. Source

[email protected] 1
11

import java.util.Scanner;
public class Program
{
    public static void main(String[] args) {
        Scanner leer = new Scanner(System.in);
        String p;
        p=leer.nextLine();    
        System.out.println(p.replaceAll(" ","").replaceAll ("[^a-zA-Z0-9\\s]+",""));
    }
}

8. By Kalaiselvan

Made by Kalaiselvan. Enter your own string in “String s” to get the output string without spaces. Source

String with space:=demo text
String without space:=demotext

public class Program
{
    public static void main(String[] args) {

    String s= "ab c  d e fgh i  j kl mn  opqr  stuvwxyz";
    StringBuilder build=new StringBuilder();

  for(int i=0;i<s.length();i++){

      if(s.charAt(i) !=' '){

   build.append (s.charAt(i));
}
}
String ss=build.toString();
System.out.println("String with space:="+s);
 System.out.println("String without space:="+ss);
}
}

9. By Saroj Patel

Made by Saroj Patel. Source

Input  : 1 2 3
Output : 123

import java.util.Scanner;
public class Program
{
    public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    String input=sc.nextLine();
    System.out.println("Input  : "+input);
    System.out.println("Output : "+input.replace(" ",""));       
    }
}