Java Scanner delimiter() Method

The delimiter() is a method of Java Scanner class which is used to get the Pattern which the Scanner class is currently using to match delimiters.

Syntax

Following is the declaration of delimiter() method:

Parameter

This method does not accept any parameter.

Returns

The delimiter() method returns the Pattern which the Scanner class is using.

Exceptions

Compatibility Version

Java 1.5 and above

Example 1

import java.util.Scanner;  
public class ScannerDelimiterExample1 {  
     public static void main(String args[]){ 
    	   String str = "Hello! This is JavaTpoint.";
         //Create a new scanner Object
         Scanner scan = new Scanner(str);
         //Print the next line of the string
         System.out.println("" + scan.nextLine());
         //Print the delimiter this scanner is using
         System.out.println("" +scan.delimiter());
         //Close scanner
         scan.close();       
    }  
}   

Output:

Hello! This is JavaTpoint.
\p{javaWhitespace}+

Example 2

import java.util.Scanner;  
public class ScannerDelimiterExample2 {  
      public static void main(String args[]){ 
    	      //Create Scanner object
 		Scanner scan = new Scanner("Hello World!");
 		//Printing the delimiter used
 		System.out.println("Delimiter:"+scan.delimiter());
 		//Printing the tokenized Strings
 		while(scan.hasNext()){
 			System.out.println(scan.next());
 		}
 		//Closing the scanner
 		scan.close();     
      }  
}   

Output:

Delimiter: \p{javaWhitespace}+
Hello
World!

Example 3

import java.util.Scanner;  
public class ScannerDelimiterExample3{  
   public static void main(String args[]){ 
	 System.out.print("Enter Your Number: ");
       //Create a scanner with the specified Object
       Scanner scanner = new Scanner(System.in);    
       Integer i = scanner.nextInt();
       //Printing the delimiter used
	 System.out.println("Delimiter:"+scanner.delimiter());
       System.out.println("Number: "+i); 
       //Close the scanner
       scanner.close();
       System.out.println("Scanner Closed.");
   }  
}

Output:

Enter Your Number: 4354655
Delimiter:\p{javaWhitespace}+
Number: 4354655
Scanner Closed.

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