import java.util.Scanner;
import javax.swing.JOptionPane;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
public class Kalkulator{
public static void main(String[] args) {
BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));
String name = "";
System.out.println("Masukkan Nama Anda:");
try{
name = dataIn.readLine();
}catch( IOException e ){
System.out.println("Error!");
}