here are several ways to remove spaces from a string in Java. Here are a few methods:
- Using theÂ
trim()Â method
The trim() method removes all leading and trailing spaces from a string. The following code shows how to use the trim() method to remove spaces from a string:
String text = "This is a sentence."; Â String trimmedText = text.trim(); Â System.out.println(trimmedText); // Thisisasentence
- Using theÂ
replaceAll()Â method
The replaceAll() method replaces all occurrences of a specified substring with another substring. The following code shows how to use the replaceAll() method to remove spaces from a string:
String text = "This is a sentence.";
 String replacedText = text.replaceAll(" ", "");
 System.out.println(replacedText); // Thisisasentence
- Using theÂ
StringUtils.deleteWhitespace()Â method
The StringUtils.deleteWhitespace() method is a static method from the Apache Commons Lang library. It removes all whitespace from a string. The following code shows how to use the StringUtils.deleteWhitespace() method to remove spaces from a string:
import org.apache.commons.lang3.StringUtils; Â String text = "This is a sentence."; Â String deletedWhitespaceText = StringUtils.deleteWhitespace(text); Â System.out.println(deletedWhitespaceText); // Thisisasentence
can01 Answered question May 22, 2023
