METHOD? or INTERFACE?

 

Code:

1. public class GradeBook  
2.   
3. {  
4.   
5.     private String courseName;  
6.   
7.     // Create a private method 'courseName', only GradeBook able to access it;  
8.   
9.     public void setCourseName( String name )  
10.   
11.     {  
12.   
13.         courseName = name;  
14.   
15.     }  
16.   
17. }  

/** (Quiz) 1. What is the courseName? Is it a METHOD, or it's an INTERFACE?

*    (Quiz) 2. The 'setCourseName( String name )'? Is it a METHOD, or INTERFACE?

*/

 

/** Anyone who can help, please! */