Java.util.Scanner.remove() Method

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Description

The java.util.Scanner.remove() method is not supported by this implementation of Iterator.

Declaration

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

public void remove()

Parameters

  • NA

Return Value

This method does not return a value.

Exception

  • UnsupportedOperationException -- if this method is invoked.

Example

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

package com.tutorialspoint;

import java.util.*;

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());

      // attempt to call remove results in an exception
      scanner.remove();

      // 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 
Exception in thread "main" java.lang.UnsupportedOperationException



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