Oracle 1Z0-808 Exam question no. 28

Q.- Given the content of the Customer.java and Trader.java files:-

package sales; 
public class Customer { 
           public void m1 ( ) { } 
           private void m2 ( ) { }
           protected void m3 ( ) { } 
           void m4 ( ) { }
}

package market; 
import sales. *;
public class Trader extends Customer {   } 

Which two methods can be overridden in the Trader class from the Customer class? 

A) m2 (  ) 

B) m4 (  ) 

C) m1 (  )  

D) m3(  )


⧪ please give your answer in a comment section.