scanner has next

hasnext in java

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";

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

      // check if the scanner has a token
      System.out.println("" + scanner.hasNext());

      // print the rest of the string
      System.out.println("" + scanner.nextLine());

      // check if the scanner has a token after printing the line
      System.out.println("" + scanner.hasNext());

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

Posted by: Guest on January-02-2021

Source

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

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"; // create a new scanner with the specified String Object Scanner scanner = new Scanner(s); // check if the scanner has a token System.out.println("" + scanner.hasNext()); // print the rest of the string System.out.println("" + scanner.nextLine()); // check if the scanner has a token after printing the line System.out.println("" + scanner.hasNext()); // close the scanner scanner.close(); } }

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