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Java Scanner delimiter() Method with Example

Scanner Class delimiter() method: Here, we are going to learn about the delimiter() method of Scanner Class with its syntax and example.
Submitted by Preeti Jain, on February 18, 2020

Scanner Class delimiter() method

  • delimiter() method is available in java.util package.
  • delimiter() method is used to retrieve the pattern of this Scanner is currently to match delimiters.
  • delimiter() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
  • delimiter() method does not throw an exception at the time of returning Pattern.


    public Pattern delimiter();


  • It does not accept any parameter.

Return value:

The return type of the method is Pattern, it returns matching pattern of this Scanner.


// Java program to demonstrate the example 
// of Pattern delimiter() method of Scanner 

import java.util.*;

public class DelimiterScanner {
    public static void main(String[] args) {
        String str = "Hi, [IncludeHelp]";

        // Instantiates a Scanner object with
        // the given string str
        Scanner sc = new Scanner(str);

        // Display str
        System.out.println("sc.nextLine(): " + sc.nextLine());

        // By using pattern() method is to
        // check the delimiters that this object
        // is using
        System.out.println("sc.delimiter(): " + sc.delimiter());

        // By using close() method is to 
        // close the Scanner object


sc.nextLine(): Hi, [IncludeHelp]
sc.delimiter(): \p{javaWhitespace}+

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