Input Numeric

import java.io.*;

class InputNumerik1 {

                public static void main(String[] args) throws IOException {

               

                                System.out.print("Masukkan sebuah bilangan bulat: ");

                               

                                String temp;

                                int bilangan = 0;

                               

                                InputStreamReader isr = new InputStreamReader (System.in);

                                BufferedReader br = new BufferedReader (isr);

                               

                                temp = br.readLine();

                               

                                try

                                {

                                                bilangan = Integer.parseInt(temp);

                                }catch (NumberFormatException nfe)

                               

                                {

                                                System.out.println("Data yang dimasukkan " + "bukan bilangan bulat");

                                                System.exit(1);

                                }

                               

                                System.out.println("Bilangan yang dimasukkan adalah " + bilangan);

                }

}