Lab If-Else (2)

import javax.swing.JOptionPane;
public class Untitled1 {
public static void main(String[] args)
{
String myString=JOptionPane.showInputDialog("Enter a number:");
int n = Integer.parseInt(myString);
if(n<0){
System.out.println("n<0,n is "+n+".");
}
else if(n>=0 & n<100){
System.out.println("0<=n<100,n is "+n+".");
}
else if( 100<=n )
{
System.out.println("n>=100,n is "+n+".");
}
System.exit(0);
}
}