Java String trim() method with Example


The java lang.string.trim()is a built-in function that eliminates leading and trailing spaces. The Unicode value of space character is ‘\u0020’. The trim() method in java checks this Unicode value before and after the string, if it exists then removes the spaces and returns the omitted string.


Syntax:

public String trim()  
The method accepts no parameters. 

Returns:
It returns the omitted string with no leading and trailing spaces.



Example: To show the working of string trim() function.

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// Java program to demonstrate working
// of java string trim() method
   
class Gfg {
    
    // driver code
    public static void main(String args[])
    {
        
      // trims the trailing and leading spaces 
    String s = " geeks for geeks has all java functions to read  "
    System.out.println(s.trim());  
      
    // trims the leading spaces 
    s = " Chetna loves reading books"
    System.out.println(s.trim());  
      
       
    }
}

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Output:

geeks for geeks has all java functions to read
Chetna loves reading books


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