Java: Scanner nextInt() hasNextInt() Example
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | import java.io.File; import java.io.FileNotFoundException; import java.util.Scanner; import java.util.Vector; public class ScannerExample { public static void main(String[] args) { Vector vector = new Vector(); Scanner scanner; try { scanner = new Scanner(new File("map.txt")); Integer i; while (scanner.hasNextInt()) { i = scanner.nextInt(); vector.addElement(i); } } catch (FileNotFoundException e) { e.printStackTrace(); } System.out.println("the elements of vector: " + vector); System.out.println(vector.size()); } } |