java.util.regex.Pattern;
import import javax.swing.JOptionPane;
// end of file signal is "end"
public class StringAss {
public static void main(String[] args){
String s;
int v = 0 , ban = 0, inv = 0;
do{
s = JOptionPane.showInputDialog("Input the code:");
if (!s.equals("end")){
//
System.out.println(s);
switch (check(s)){
case 1: ban++;
case 0: v++; break;
case 2: inv++;break;
default: ;
}
}
else break;
}while (true);
JOptionPane.showMessageDialog(null
, "Vailed code entered: " + v
+ "\nBanned code entered: " + ban
+ "\nInvailed code entered:" + inv
+ "\n*Note:Banned is code still count as Vailed code.");
}
private static int check(String s) {
String temp = null;
char tc;
s = s.trim();
if (s.length() != 13)
return 2;
else {
temp = s.substring(3, 7);
System.out.println(temp);
try{
Integer.parseInt(temp);
}catch (NumberFormatException e)
{
System.out.println("returned @ line 44");
return 2;
}
tc = s.charAt(9);
Pattern.compile("^[A-Z]").matcher(tc).find();
if (!Character.isLetter(tc)){
System.out.println("returned @ line 50");
return 2;}
if ((tc == 'R')&&(Integer.parseInt(temp) >= 2000)){
return 1;
}
return 0;
//
//
//
//
}
}
}