public class Javaexcercise {
 
public static void main(String[] args)
    {
        String str = " TECHSTUDY ";
 
        // Trim the whitespace from the front and back of the String.
        String new_str = str.trim();
 
        // Display the strings for comparison.
        System.out.println("Original String: " + str);
        System.out.println("New String: " + new_str);
    }
}

Result