How do you replace spaces in Java?

Program:

1. public class ReplaceSpace.
2. {
3. public static void main(String[] args) {
4. String string = “Once in a blue moon”;
5. char ch = ‘-‘;
6. //Replace space with specific character ch.
7. string = string. replace(‘ ‘, ch);
8. System. out. println(“String after replacing spaces with given character: “);

How do you replace multiple spaces in Java?

The metacharacter “\\s” matches spaces and + indicates the occurrence of the spaces one or more times, therefore, the regular expression \\S+ matches all the space characters (single or multiple). Therefore, to replace multiple spaces with a single space.

What does \\ s+ mean in Java?

\\s+ – matches sequence of one or more whitespace characters.

Do white spaces matter in Java?

The term white space refers to characters of a file that you can’t see — spaces, tabs, and line breaks. In Java, white space does not matter.

How to remove all white spaces from a string in Java?

– GeeksforGeeks How to remove all white spaces from a String in Java? Given a String with white spaces, the task is to remove all white spaces from a string using Java built-in methods. Recommended: Please try your approach on {IDE} first, before moving on to the solution.

How to replace spaces in a string in Java?

Algorithm 1 STEP 1: START 2 STEP 2: String string = “Once in a blue moon”. 3 STEP 3: char ch = ‘-‘ 4 STEP 4: String = string.replace (‘ ‘, ch) 5 STEP 5: PRINT “String after replacing spaces with given character:” 6 STEP 6: PRINT string. 7 STEP 7: END More

What makes a character a whitespace in Java?

A character is a Java whitespace character if and only if it satisfies one of the following criteria: It is a Unicode space character (SPACE_SEPARATOR, LINE_SEPARATOR, or PARAGRAPH_SEPARATOR) but is not also a non-breaking space (‘\00A0’, ‘\’, ‘\’). It is ‘\’, HORIZONTAL TABULATION.

How to whitespace match pattern in Java stack overflow?

Pattern whitespace = Pattern.compile (“\\\\s\\\\s”); matcher = whitespace.matcher (modLine); while (matcher.find ()) matcher.replaceAll (” “); The aim of this is to replace all instances of two consecutive whitespace with a single space. However this does not actually work. Am I having a grave misunderstanding of regexes or the term “whitespace”?