Explain What type of variable can be defined in an interface?

Question

What type of variable can be defined in an interface? (a) public static (b) private final (c) public final (d) static final This question was addressed to me during an interview for a job. Asked question is from Interfaces in section Interfaces & Packages of Java Select the correct answer from above options

Answer 1

Correct option is (d) static final To explain: variable defined in an interface is implicitly final and static. They are usually written in capital letters.