A4. Given the following class diagram, interfaces and classes that model various kinds of animals. What will be the errors in the main method? For each error, indicate the line number of each incorrect statement and explain in one sentence why it is wrong. interface Animal { int number0fLegs (); interface Mammal extends Animal { } <> Animal interface Reptile extends Animal { } numberOfLegs() : int 7 class Cat implements Mammal { public int number0fLegs () { return 4; 10 11 <> <> 12 Mammal Reptile 13 14 15 class Tiger extends Cat { } 16 class Snake implements Reptile { public int numbor0fLegs () { return 0; 17 Cat Snake 18 +numberOfLegs() : int +numberOfLegs() : int 19 20 21 Tiger
A4. Given the following class diagram, interfaces and classes that model various kinds of animals. What will be the errors in the main method? For each error, indicate the line number of each incorrect statement and explain in one sentence why it is wrong. interface Animal { int number0fLegs (); interface Mammal extends Animal { } <> Animal interface Reptile extends Animal { } numberOfLegs() : int 7 class Cat implements Mammal { public int number0fLegs () { return 4; 10 11 <> <> 12 Mammal Reptile 13 14 15 class Tiger extends Cat { } 16 class Snake implements Reptile { public int numbor0fLegs () { return 0; 17 Cat Snake 18 +numberOfLegs() : int +numberOfLegs() : int 19 20 21 Tiger
Computer Networking: A Top-Down Approach (7th Edition)
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Transcribed Image Text:A4. Given the following class diagram, interfaces and classes that model various kinds
of animals. What will be the errors in the main method? For each error, indicate the line
number of each incorrect statement and explain in one sentence why it is wrong.
5
interface Animal {
2
int number0fLegs ();
3
interface Mammal extends Animal { }
<<Interface>>
Animal
interface Reptile extends Animal { }
numberOfLegs() : int
class Cat implements Mammal {
public int numberOf Legs () {
return 4;
10
11
<<Interface>>
<<Interface>>
12
Матmal
Reptile
13
14
15
class Tiger extends Cat { }
16
class Snake implements Reptile {
public int numberOf Legs () {
return 0;
17
Cat
Snake
18
+numberOfLegs() : int
+numberOfLegs() : int
19
20
21
Tiger
![1
public class Animals {
public static void main(String[] args) {
Animal animal1, animal2, animal3;
Mammal mammal1;
Cat cati;
Snake snake1;
3
Tiger tiger1;
List<Animal> listi, list2;
7
new Tiger();
new Animal();
animal2 = new Animal();
- new Tiger ();
mammall = new Snake ();
mammal1;
10
animali
11
snake1
12
13
cati
14
tigeri
animal3 = cati;
15
16
= new ArrayList<Animal>();
11st2 = new ArrayLıst<Rept1le>();
17
listi
18
19
20](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd32d2f63-6dcd-463f-a83e-976b7d33e706%2F59915214-da26-4053-aae3-252f47de01fe%2F8szhru9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1
public class Animals {
public static void main(String[] args) {
Animal animal1, animal2, animal3;
Mammal mammal1;
Cat cati;
Snake snake1;
3
Tiger tiger1;
List<Animal> listi, list2;
7
new Tiger();
new Animal();
animal2 = new Animal();
- new Tiger ();
mammall = new Snake ();
mammal1;
10
animali
11
snake1
12
13
cati
14
tigeri
animal3 = cati;
15
16
= new ArrayList<Animal>();
11st2 = new ArrayLıst<Rept1le>();
17
listi
18
19
20
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