public class UserTerminalDialogExample {
	public static void main (String args[]) {
		String name;
		int age;
		double gpa;
		char grade;

		while (true) {		//loop repeats indefinitely until user hits Enter
							//  in response to name prompt
							
			//Prompt for name and respond
			name = SimpleIO.in.demandString("\nWhat's your name? (Or just hit Enter to quit)");
			if (name.equals("")) break;	// this is the only way to end the program gracefully
			SimpleIO.out.println("Hello, " + name + "!");
			
			//Prompt for age and respond
			age = SimpleIO.in.demandInt("\nWhat's your age?");
			SimpleIO.out.println("You're really " + age + " years old? You don't look it.");
			
			//Prompt for grade-point average and respond
			gpa = SimpleIO.in.demandDouble("\nWhat's your grade-point average?");
			SimpleIO.out.println("Really? I've never met anyone with a " + gpa + " GPA before.");
			
			//Prompt for a letter grade and respond
			grade = SimpleIO.in.demandChar("\nWhat grade do you expect in this course?");
			SimpleIO.out.println("Okay, I hope you're worthy of a " + grade + " grade.");
			
		}
 	}
 }