How do I get rid of extra spaces in Java?

To eliminate spaces at the beginning and at the end of the String, use String#trim() method. And then use your mytext. replaceAll(“( )+”, ” “) . First it will replace all the spaces with single space.

How do I remove extra spaces from a string?

11 Answers

  1. If you are just dealing with excess whitespace on the beginning or end of the string you can use trim() , ltrim() or rtrim() to remove it.
  2. If you are dealing with extra spaces within a string consider a preg_replace of multiple whitespaces ” “* with a single whitespace ” ” .

How do I get rid of the white space between words in Java?

You can do it like this: string = str. replaceAll(“\s{2,}”,” “); It will replace 2 or more consecutive whitespaces with a single whitespace.

How do you remove spaces from a char array in Java?

JAVA

  1. public class removeWhiteSpace {
  2. public static void main(String[] args) {
  3. String str1=”Remove white spaces”;
  4. //Removes the white spaces using regex.
  5. str1 = str1.replaceAll(“\s+”, “”);
  6. System.out.println(“String after removing all the white spaces : ” + str1);
  7. }
  8. }
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How do you replace multiple spaces 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.

How do you remove spaces from a comma separated string in Java?

To remove extra spaces before and/or after the delimiter, we can perform split and trim using regex: String[] splitted = input. trim(). split(“\s*,\s*”);

How do you remove the middle space in Java?

If you want to remove spaces at the beginning (leading spaces) and spaces at the end (trailing spaces) best way to do it is to use trim() method of the Java String class. As per trim() method space is defined as any character whose codepoint is less than or equal to ‘U+0020’ (the space character).

How do you remove leading and trailing spaces in Java?

Use the String class trim method. It will remove all leading and trailing whitespace. Simply use trim(). It only eliminate the start and end excess white spaces of a string.

How do you remove blank spaces from an array?

In order to remove empty elements from an array, filter() method is used. This method will return a new array with the elements that pass the condition of the callback function. array.

How do you remove spaces from an array?

split(”); It returns an array of all characters in {a=”remove white spaces”} with no ‘space’ character. You can test the output separately for each method: split() and join(). You removed an item from the array which reduced the array’s length.

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How do you remove white space from an array?

Given a string array with white spaces, the task is to remove all white spaces from every object of an array. trim() Function: The trim() function is an inbuilt function which removes whitespaces and also the predefined characters from both sides of a string that is left and right.

How do I remove all white spaces from a string in Java?

How do you remove all white spaces from a string in java?

  1. public class RemoveAllSpace {
  2. public static void main(String[] args) {
  3. String str = “India Is My Country”;
  4. //1st way.
  5. String noSpaceStr = str.replaceAll(“\s”, “”); // using built in method.
  6. System.out.println(noSpaceStr);
  7. //2nd way.

What is trim () in Java?

The trim() method in Java String is a built-in function that eliminates leading and trailing spaces. The Unicode value of space character is ‘u0020’. The trim() method in java checks this Unicode value before and after the string, if it exists then removes the spaces and returns the omitted string.

How do you remove spaces and special characters from a string in Java?

In the following example, the removeAll() method removes all the special characters from the string and puts a space in place of them.

  1. public class RemoveSpecialCharacterExample1.
  2. {
  3. public static void main(String args[])
  4. {
  5. String str= “This#string%contains^special*characters&.”;
  6. str = str.replaceAll(“[^a-zA-Z0-9]”, ” “);