Question: abswer fast Which line of the following program causes ClassCastException? class Animal{} class Dog extends Animal{} class Wolf extends Animal{} public class HelloWorld{ public static

abswer fast

Which line of the following program causes ClassCastException? class Animal{} class Dog extends Animal{} class Wolf extends Animal{} public class HelloWorld{ public static void main (String[] args) { Animal a; Dogd = new Dog(); //Line1 Wolf w = new Wolf(); //Line2 a = d; d = (Dog) a; //Line 3 Line4 W = (Wolf) a; //Line5 } } Select one a Line 3 bLine 4 Eine 5

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Which line of the following program causes ClassCastException? class Animal() class Dog extends Animal() class Wolf extends Animal() public class HelloWorld! public static void main (String[] args)...

I NEED FAST HELP NO NEED TO EXPLANATON ONLY THE ANSWER AND OUTPUT Which line of the following program causes ClassCastException? class Animal{} class Dog extends Animal{} class Wolf extends Animal{}...

class Animal{} class Dog extends Animal{} class Wolf extends Animal{} public class HelloWorld{ public static void main (String[] args) { Animal a; Dog d = new Dog(); //Line1 Wolf w = new Wolf();...

I NEED FAST HELP NO NEED TO EXPLANATON ONLY THE ANSWER AND OUTPUT Consider the following program where Dog is derived from Animal and Wolf is derived from Dog: public class HelloWorld{ public static...

Consider the following program where Dog is derived from Animal and Wolf is derived from Dog public class HelloWorld{ public static void pName (Animal a) { } public static void pCall(Wolf w) { }...

Consider the following program where Dog is derived from Animal and Wolf is derived from Dog public class HelloWorld public static void pName(Animal a) } public static void pCall(Wolf w) { public...

Consider the following program where Dog is derived from Animal and Wolf is derived frorn Dog public class HelloWorld public static void pName(Animal a) public static void pCall(wolf w) } public...

Q. What is written to the monitor by the following section of code: String strA = new String("Roasted "); String strB = new String("Acorns "); strA = strB; if ( strA == strB ) System.out.print("Two...

Download the following files: InheritanceDemo.java Person.java Student.java Undergrad.java package l05; import java.util.Scanner; /** * A program to demonstrate inheritance using a simple hierarchy....

Convert LongWord.java to the equivalent C program named longword.c. While you are converting it into C, make following changes: file read and write: read lines from standard input and print the...

A counter-flowing heat exchanger conserves energy by heating cold outside fresh air at 10oC with the outgoing combustion gas (air) at 100oC. Assume both flows are 1 kg/s and the temperature...

The following information was extracted from Slurm Corporation's 2012 annual report: Common stock Shares outstanding 12/31/11 90 Million New shares issued 4/1/12 10 Million Shares outstanding...

Jessica turns 7 2 in March 2 0 2 4 . She has been contributing to her traditional IRA for many years and is now reviewing her retirement plan with her financial advisor. She wants to ensure she...

Solve the following linear program using the simplex algorithm. You should give the initial tableau and each further tableau produced during the execution of the algorithm. If the program has an...

3. SCC Soft Computer

2. KMPG LLP

5. Wyeth Pharmaceuticals