Given: interface Readable { public void readBook(); public void setBookMark(); } abstract class Book implements Readable { // line n1 public void readBook() { } // line n2 } class EBook extends Book { // line n3 public void readBook() {} // line n4 } And given the code fragment: Book bookl = new EBook(); Book1.readBook(); Which option enables the code to compile ?

Question

Given:       interface Readable {    public void readBook();    public void setBookMark();   }      abstract class Book implements Readable { // line n1    public void readBook() {    }    // line n2   }      class EBook extends Book { // line n3    public void readBook() {}    // line n4   }           And given the code fragment:       	Book bookl = new EBook();     	Book1.readBook();          Which option enables the code to compile ?

Examsnet · Accepted Answer

Correct Answer is : At line n4 insert: public void setBookMark () { }

Java SE 8 Programmer 1Z0–808 Practice Full Test 1