Java.util.Scanner.useDelimiter() Method

Description

The java.util.Scanner.useDelimiter(Pattern pattern) method sets this scanner's delimiting pattern to the specified pattern.

Declaration

Following is the declaration for java.util.Scanner.useDelimiter() method

public Scanner useDelimiter(Pattern pattern)

Parameters

• pattern -- A delimiting pattern

Return Value

This method returns this scanner

Exception

• NA

Example

The following example shows the usage of java.util.Scanner.useDelimiter() method.

package com.tutorialspoint;

import java.util.*;
import java.util.regex.Pattern;

public class ScannerDemo {

   public static void main(String[] args) {

      String s = "Hello World! 3 + 3.0 = 6.0 true ";

      // create a new scanner with the specified String Object
      Scanner scanner = new Scanner(s);

      // print a line of the scanner
      System.out.println("" + scanner.nextLine());

      // change the delimiter of this scanner
      scanner.useDelimiter(Pattern.compile(".ll."));

      // display the new delimiter
      System.out.println("" + scanner.delimiter());

      // close the scanner
      scanner.close();
   }
}

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

Hello World! 3 + 3.0 = 6.0 true 
.ll.