Java.util.Scanner.next() Method

Description

The java.util.Scanner.next() method finds and returns the next complete token from this scanner. A complete token is preceded and followed by input that matches the delimiter pattern. This method may block while waiting for input to scan, even if a previous invocation of hasNext() returned true.

Declaration

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

public String next()

Parameters

• NA

Return Value

This method returns the next token

Exception

• NoSuchElementException -- if no more tokens are available

• IllegalStateException -- if this scanner is closed

Example

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

package com.tutorialspoint;

import java.util.*;

public class ScannerDemo {

   public static void main(String[] args) {

      String s = "Hello World! 3 + 3.0 = 6 ";

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

      // find the next token and print it
      System.out.println("" + scanner.next());

      // find the next token and print it
      System.out.println("" + scanner.next());

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

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

Hello
World!