Java.lang.String.trim() Method

Description

The java.lang.String.trim() method returns a copy of the string and omits leading and trailing whitespace.

Declaration

Following is the declaration for java.lang.String.trim() method

public String trim()

Parameters

• NA

Return Value

This method returns a copy of this string with leading and trailing white space removed, or this string if it has no leading or trailing white space.

Exception

• NA

Example

The following example shows the usage of java.lang.String.trim() method.

package com.tutorialspoint;

import java.lang.*;

public class StringDemo {

  public static void main(String[] args) {
  
    // string with leading and trailing white space
    String str = " This is TutorialsPoint ";
    
    System.out.print("Before trim = ");
    System.out.println(".." + str + "..");
    
    // leading and trailing white space removed
    System.out.print("After trim = ");
    System.out.println(".." + str.trim() + "..");
  }
}

Let us compile and run the above program, this will produce the following result:

Before trim = .. This is TutorialsPoint ..
After trim = ..This is TutorialsPoint..