public class Course {
    private static int  nextId=1200;
    private int id;
    private  String name;
    private int credits;
    public Course(){
        id=nextId++;
    }

    public Course(String name ,int credits){
        id=nextId;
        this.credits=credits;
        this.name=name;
    }
    public int getId(){
        return id;
    }
    
    public String getName(){
        return name;
    }
    
    public void setName(String name){
        this.name=name;
    }
    public int getcredits(){
        return credits;
    }

    public void setCredits(int credits){
        this.credits=credits;

    }

    public static void setnextId(int nextId){
        Course.nextId=nextId;
    }

    public static int getNextID(){
        return nextId;
    }
    public String toString(){
        return "Course ID:"+id+ "\nCourse NAME:" +name+ "Credits:"+credits;
    }

}




public class CourseDemo {
    public static void main(String[] args) {
        Course c1=new Course();
        c1.setName("OOPJ");
        c1.setCredits(3);
        System.out.println(c1);
        Course c2=new Course("COSM", 3);
        System.out.println(c2);

    }
}