package interfaceExamples; interface One { String s = "FINAL"; String methodONE(); } interface Two { String methodONE(); } abstract class Three { String s = "NOT FINAL"; public abstract String methodONE(); } class Four extends Three implements One, Two { public String methodONE() { String s = super.s + One.s; return s; } } public class practice3 { public static void main(String[] args) { Four four = new Four(); System.out.println(four.methodONE()); // One one = four; System.out.println(One.s); } }