Scanner useDelimiter(Pattern) in Java

useDelimiter(Pattern): This method is available in java.uti.Scanner class of ava.

Syntax:

Scanner java.util.Scanner.useDelimiter(Pattern pattern)

This method takes one argument. This method sets this scanner's delimiting pattern to the specified pattern.

Parameters: One parameter is required for this method.

pattern: A delimiting pattern.

Returns: this scanner

Approach

Java

import java.util.Scanner;
import java.util.regex.Pattern;

public class ScanneruseDelimiter {
    public static void main(String[] args) {

        String source = "Hello World";
        Scanner scanner = new Scanner(source);

        Pattern pattern = Pattern.compile("[a-z]");
        System.out.println(scanner.useDelimiter(pattern));
        scanner.close();
    }
}

Output:

java.util.Scanner[delimiters=[a-z]][position=0][match valid=false][need input=false][source closed=false][skipped=false][group separator=\x{2c}][decimal separator=\x{2e}][positive prefix=][negative prefix=\Q-\E][positive suffix=][negative suffix=][NaN string=\QNaN\E][infinity string=\Q∞\E]