Which of the following is the correct way of implementing an interface

1.	Which of the following is the correct way of implementing an interface salary by class company?
A.	class company imports salary {}
B.	class company extends salary {}
C.	class company implements salary {}
D.	All of above
E.	None of these
Answer» D. All of above

Discussion

No Comment Found

Related MCQs

What is the correct option with regards to below snippet? <pre class="prettyprint lang-c">interface NewCustomer { } class RegCustomer implements NewCustomer { } class QuickCustomer implements NewCustomer { } </pre>
What is the output of this program? <pre class="prettyprint lang-c">interface Calculation { int var = 0; void calculate(int num); } class display implements Calculation { int p; public void calculate(int num) { if (num<2) { p = var; } else { p = num * num; } } } public class interfaces_Example { public static void main(String args[]) { display[] array = new display[4]; for(int k=0; k<4; k++) array[k] = new display(); array[0].calculate(0); array[1].calculate(2); array[2].calculate(4); System.out.print(array[0].p+" " + array[1].p + " " + array[2].p); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">interface Calculation { void calculate(int item); } class display0 implements Calculation { int p; public void calculate(int num) { p = num * num; } } class display1 implements Calculation { int p; public void calculate(int num) { p = num / num; } } public class interfaces_Example { public static void main(String args[]) { display0 object0 = new display0(); display1 object1 = new display1(); object0.p = 0; object1.p = 0; object0.calculate(5); object1.calculate(5); System.out.print(object0.p + " " + object1.p); } } </pre>
What is the output of this program? <pre class="prettyprint lang-c">interface calculation { void calculate(int Num); } class display implements calculation { int p; public void calculate(int Num) { p = Num * Num; } } public class interfaces_Example { public static void main(String args[]) { display object = new display(); object.p = 0; object.calculate(4); System.out.print(object.p); } } </pre>
What is the output of below snippet? <pre class="prettyprint lang-c">try (InputStream is = ...) { // do stuff with is... } catch (IOException e) { // handle exception } </pre>
Does close() implicitly flush() the stream.
Can abstract keyword be used with constructor, Initialization Block, Instance Initialization and Static Initialization Block.
Which of the following is the correct way of implementing an interface salary by class company?
Which of the following is the correct way of implementing an interface N by class M?

Which of the following is the correct way of implementing an interface salary by class company?

Discussion

No Comment Found

Related MCQs

Reply to Comment