import java.io.PrintWriter;
import java.io.FileNotFoundException;
import java.io.File;

class Nov3 {

	public static void main(String[] args) {
		Course csci101 = new Course(101, "Programming I");

		Course[] courses = new Course[10];
		courses[0] = csci101;
		courses[1] = new Course(341, "Computer Architecture");
		courses[2] = new Course(102, "Programming II");
	
		for(Course c : courses) {
			if (c != null) {
				System.out.println(c.toString());
			}
		}
		
		PrintWriter pw = null;

		try {
			pw = new PrintWriter(new File("courses.txt"));
		}
		catch(FileNotFoundException e) {
			System.out.println("File not found");
			return;
		}

		for(Course c : courses) {
			if (c != null) {
				pw.println(c.toString());
			}
		}

		pw.close();
	}


}