Question 21
What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class?
Question 22
Given the content of three files:

Which statement is true?

Which statement is true?
Question 23
Given the code fragment:

What is the result?

What is the result?
Question 24
Given:
Acc.java:

Which statement is true?
Acc.java:

Which statement is true?
Question 25
Given:

What is the result?

What is the result?