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To help manage the wizarding world, we need to write a reverse method. For the general purpose, let us write a generic reverse method. Namely, given an array of T objects, the reverse method would use a stack to reverse these T objects and return a new ArrayList with these T objects in reverse order. The generic method prototype is as follows:           public ArrayList reverse(T[] wizards) throws Exception; To help reverse Hogwarts students' names, we can invoke the method as follows: reverse({"Harry Potter", "Ronald Bilius", "Hermione Jean Granger"}) , where {"Harry Potter", "Ronald Bilius", "Hermione Jean Granger"} is an array input and it will return an java.util.ArrayList instance, containing "Hermione Jean Granger" as the first element, "Ronald Bilius" as the second element, and "Harry Potter" as the third element.   Task 1. Please use a Stack to implement the generic reverse method:           public ArrayList reverse(T[] wizards) throws Exception First write down pseudo code. Secondly translate your pseudo code to Java code.   Task 2. Write down your plan of testing your reverse method that you wrote for Task 1.  View keyboard shortcuts   EditViewInsertFormatToolsTable 12pt   Paragraph

To help manage the wizarding world, we need to write a reverse method. For the general purpose, let us write a generic reverse method. Namely, given an array of T objects, the reverse method would use a stack to reverse these T objects and return a new ArrayList with these T objects in reverse order. The generic method prototype is as follows:           public ArrayList reverse(T[] wizards) throws Exception; To help reverse Hogwarts students' names, we can invoke the method as follows: reverse({"Harry Potter", "Ronald Bilius", "Hermione Jean Granger"}) , where {"Harry Potter", "Ronald Bilius", "Hermione Jean Granger"} is an array input and it will return an java.util.ArrayList instance, containing "Hermione Jean Granger" as the first element, "Ronald Bilius" as the second element, and "Harry Potter" as the third element.   Task 1. Please use a Stack to implement the generic reverse method:           public ArrayList reverse(T[] wizards) throws Exception First write down pseudo code. Secondly translate your pseudo code to Java code.   Task 2. Write down your plan of testing your reverse method that you wrote for Task 1.  View keyboard shortcuts   EditViewInsertFormatToolsTable 12pt   Paragraph

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
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To help manage the wizarding world, we need to write a reverse method. For the general

purpose, let us write a generic reverse method. Namely, given an array of T objects, the

reverse method would use a stack to reverse these T objects and return a new ArrayList

with these T objects in reverse order.

The generic method prototype is as follows:

          public <T> ArrayList<T> reverse(T[] wizards) throws Exception;

To help reverse Hogwarts students' names, we can invoke the method as follows:

reverse({"Harry Potter", "Ronald Bilius", "Hermione Jean Granger"}) ,

where {"Harry Potter", "Ronald Bilius", "Hermione Jean Granger"} is an array input and it

will return an java.util.ArrayList instance, containing "Hermione Jean Granger" as the first

element, "Ronald Bilius" as the second element, and "Harry Potter" as the third element.

 

Task 1. Please use a Stack to implement the generic reverse method:

          public ArrayList reverse(T[] wizards) throws Exception

First write down pseudo code.

Secondly translate your pseudo code to Java code.

 

Task 2. Write down your plan of testing your reverse method that you wrote for Task 1. 

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To help manage the wizarding world, we need to write a reverse method. For the general purpose, let us write a generic reverse method. Namely, given an array of T objects, the reverse method would use a stack to reverse these T objects and return a new ArrayList with these T objects in reverse order. The generic method prototype is as follows: public <T> ArrayList<T> reverse(T[] wizards) throws Exception; To help reverse Hogwarts students' names, we can invoke the method as follows: reverse(("Harry Potter", "Ronald Bilius", "Hermione Jean Granger"}), where ("Harry Potter", "Ronald Bilius", "Hermione Jean Granger"} is an array input and it will return an java.util.ArrayList instance, containing "Hermione Jean Granger" as the first element, "Ronald Bilius" as the second element, and "Harry Potter" as the third element. Task 1. Please use a Stack to implement the generic reverse method: public ArrayList reverse(T[] wizards) throws Exception First write down pseudo code. Secondly translate your pseudo code to Java code. Task 2. Write down your plan of testing your reverse method that you wrote for Task 1.
Transcribed Image Text:To help manage the wizarding world, we need to write a reverse method. For the general purpose, let us write a generic reverse method. Namely, given an array of T objects, the reverse method would use a stack to reverse these T objects and return a new ArrayList with these T objects in reverse order. The generic method prototype is as follows: public <T> ArrayList<T> reverse(T[] wizards) throws Exception; To help reverse Hogwarts students' names, we can invoke the method as follows: reverse(("Harry Potter", "Ronald Bilius", "Hermione Jean Granger"}), where ("Harry Potter", "Ronald Bilius", "Hermione Jean Granger"} is an array input and it will return an java.util.ArrayList instance, containing "Hermione Jean Granger" as the first element, "Ronald Bilius" as the second element, and "Harry Potter" as the third element. Task 1. Please use a Stack to implement the generic reverse method: public ArrayList reverse(T[] wizards) throws Exception First write down pseudo code. Secondly translate your pseudo code to Java code. Task 2. Write down your plan of testing your reverse method that you wrote for Task 1.
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