Convert string type to integer type
import java.util.Scanner; public class Main { public static void main(String[] args) { try (Scanner sc = new Scanner(System.in)) { int n = Integer.parseInt(sc.nextLine()); System.out.println(n);//from w ww.j a v a2 s. c om } catch (NumberFormatException e) { System.out.println("Bad String"); } } }