Predict the outputabstract class Vehicle{ abstract void calcPremium(Number N);}interface Insurance{ abstract void calcPremium (Object O);}class Car extends Vehicle implements Insurance{ public void calcPremium (Object O) { System.out.println("Object"); } void calcPremium (Number N) { System.out.println("Number"); } }public class Test{ public static void main(String[] args) { Vehicle a = new Car(); a. calcPremium (new Integer(121)); Insurance b = new Car(); b. calcPremium (new Integer(121)); Car c = new Car(); c. calcPremium (new Integer(121)); }}Select one:a.NumberObjectNumberb.NumberNumberObjectc.Run time errord.Compile time error
Question
Predict the outputabstract class Vehicle{ abstract void calcPremium(Number N);}interface Insurance{ abstract void calcPremium (Object O);}class Car extends Vehicle implements Insurance{ public void calcPremium (Object O) { System.out.println("Object"); } void calcPremium (Number N) { System.out.println("Number"); } }public class Test{ public static void main(String[] args) { Vehicle a = new Car(); a. calcPremium (new Integer(121)); Insurance b = new Car(); b. calcPremium (new Integer(121)); Car c = new Car(); c. calcPremium (new Integer(121)); }}Select one:a.NumberObjectNumberb.NumberNumberObjectc.Run time errord.Compile time error
Solution
a. Number Object Number
Similar Questions
Predict the outputclass Car implements Insurance{ public int calcPremium(int i) { return i = i * i; }}interface Insurance{ int calcPremium(int i);}public class MainClass { public static void main(String[] args) { Insurance b = new Car(); System.out.println(b.calcPremium(2)); }}Select one:a.The output will be 4b.Compile time error because you must create interface before implementing it.c.Compile time error because you cannot create an object of type interface Insuranced.Run time Error
Predict the output of the following program:abstract class Demo{ public int a; Demo() { a = 10; } abstract public void set(); abstract final public void get();}class Test extends Demo{ public void set(int a) { this.a = a; } final public void get() { System.out.println("a = " + a); } public static void main(String[] args) { Test obj = new Test(); obj.set(20); obj.get(); }}Select one:a.a = 10b.a = 20c.Compilation error
Select the correct answerWhat is the output of the following Java program?public class Vehicle { public void move() { System.out.println("The vehicle moves"); }}public class Car extends Vehicle { public void move() { System.out.println("The car moves"); }}public class Main { public static void main(String[] args) { Vehicle vehicle = new Car(); vehicle.move(); }}Options"The vehicle moves"The code does not compileNone of these"The car moves"
Observe the below code. You have a class InsurancePolicy and another class VehicleInsurancePolicy that inherits InsurancePolicy.InsurancePolicy.javapublic class InsurancePolicy { private int policyNumber; private String holderName; private double amount; double calculateBonusAmount(){ //some logic return 0; } }VehicleInsurancePolicy.javaclass VehicleInsurancePolicy extends InsurancePolicy { private String vehicleNumber; private int noOfMonths; double calculateBonusAmount(){ //some logic return 0; }}Which access specifier can be given to the overridden method calculateBonusAmount.
Develop a Java Application with ‘Vehicle’ Class with vehicle type, vehicle number, engine number, chassis number, top speed, number of passengers, number of gears. Generate a report for the vehicles. Implement the concept using Interfaces.Input:CarHRDQ245652WVC12342H2X1234535kph45OutputCarHRDQ245652WVC12342H2X1234535kph45
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.