Which of the following are true about this variable declaration? : Questions « Java Source And Data Type « SCJP

1. SCJP
2. Java Source And Data Type
3. Questions

public class MainClass{
    private static int i = 3;
    public static void main(String[] argv){
        System.out.println();
    }
}
    
A. The value of i may not be changed after it is assigned a value.
B. i may only be updated by a static method.
C. i is shared among all instances of MainClass.
D. i may only be accessed within MainClass.