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import java.util.* ; // task 1 starts abstract class student{ abstract void take_exam(); } class phdStudent extends student{ void take_exam(){ System.out.println("PHD student takes FINAL DEFENSE EXAM"); } } class gradStudent extends student{ void take_exam(){ System.out.println("Grad student takes WRITTEN PAPER EXAM"); } } // task 1 ends // task 2 starts // task 2 ends public class Main { public static void main(String[] args) { //task 1 student st = new phdStudent(); st.take_exam(); student st2 = new gradStudent(); st2.take_exam(); //task 2 } }
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