Java String trim() method
Java String trim() method returns String after eliminating leading and trailing spaces.
Note:- Java String trim() method doesn't trim or omit middle spaces.
Syntax:
public String trim()
Returns:
It returns string with omitted leading and trailing spaces.
Java String trim() method example 1
public class JavaStringTrimEx1 { public static void main(String[] args) { // String declaration with trailing and leading space String inputValue = "java String trim() method example by tutorialandexample.com"; // removing the white spaces String trimValue = inputValue.trim(); System.out.println(trimValue); } }
Output:
java String trim() method example by tutorialandexample.com
Java String trim() method example 2
public class JavaStringTrimEx2 { public static void main(String[] args) { // String declaration with trailing and leading space String inputValue = "tutorialandexample.com"; System.out.println("without trim:" +inputValue); // removing the white spaces String trimValue = inputValue.trim(); System.out.println("After trim :" +trimValue); } }
Output:
without trim: tutorialandexample.com After trim :tutorialandexample.com
Java String trim() method example 3
public class JavaStringTrimEx3 { public static void main(String[] args) { // trims the trailing and leading spaces String s = " This tutorial is written by Roy NK "; System.out.println(s.trim()); // trims the leading spaces s = " Tutorial And Example "; System.out.println(s.trim()); } }
Output:
This tutorial is written by Roy NK Tutorial And Example
Java String trim() method example 4
public class JavaStringTrimEx4 { public static void main(String[] args) { String s1 =" java string "; System.out.println(s1.length()); System.out.println(s1); //Without trim() String tr = s1.trim(); System.out.println(tr.length()); System.out.println(tr); //With trim() } }
Output:
17 java string 11 java string