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For the following above code snippets, identify whether the code: 1. Fails to compile, 2. Compiles with a warning, 3. Generates an error at runtime, or 4. None of the above (compiles and runs without problem.)

For the following above code snippets, identify whether the code: 1. Fails to compile, 2. Compiles with a warning, 3. Generates an error at runtime, or 4. None of the above (compiles and runs without problem.)

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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please solve with java, thanks (important)

For the following above code snippets, identify whether the code: 1. Fails to compile, 2. Compiles with a warning, 3. Generates an error at runtime, or 4. None of the above (compiles and runs without problem.) Question la. AnimalHouse<Animal> house = new AnimalHouse<Cat>(); Question 1b. AnimalHouse<Cat> house = new AnimalHouse<Animal>(): Question 1c. AnimalHouse<?> house = new AnimalHouse<Cat>(); house.setAnimal(new Cat()); Question 1d. AnimalHouse house = new AnimalHouse(): house.setAnimal(new Dog());
Transcribed Image Text:For the following above code snippets, identify whether the code: 1. Fails to compile, 2. Compiles with a warning, 3. Generates an error at runtime, or 4. None of the above (compiles and runs without problem.) Question la. AnimalHouse<Animal> house = new AnimalHouse<Cat>(); Question 1b. AnimalHouse<Cat> house = new AnimalHouse<Animal>(): Question 1c. AnimalHouse<?> house = new AnimalHouse<Cat>(); house.setAnimal(new Cat()); Question 1d. AnimalHouse house = new AnimalHouse(): house.setAnimal(new Dog());
Question 2: Consider the following classes: public class AnimalHouse<E> { private E animal; public void setAnimal(E x) { animal = x; } public E getAnimal(O { retum animal; } } public class Animal{ public class Cat extends Animal { public class Dog extends Animal { }
Transcribed Image Text:Question 2: Consider the following classes: public class AnimalHouse<E> { private E animal; public void setAnimal(E x) { animal = x; } public E getAnimal(O { retum animal; } } public class Animal{ public class Cat extends Animal { public class Dog extends Animal { }
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