Solutions for Objects First with Java: A Practical Introduction Using BlueJ (6th Edition)
Problem 2E:
What happens if you create a new MusicOrganizer object and then call removeFile (0) before you have...Problem 5E:
Write a declaration of a local variable called cs101 that can hold an ArrayList of Student.Problem 7E:
Write assignments to the library, cs101. and track variables (which you defined in the previous...Problem 8E:
If a collection stores 10 objects, what value would be returned from a call to its size method?Problem 9E:
Write a method call using get to return the fifth object stored in a collection called items.Problem 11E:
Write a method call to add the object held in the variable favoriteTrack to a collection called...Problem 13E:
Suppose that an object is stored at index 6 in a collection. What will be its index after the...Problem 14E:
Add a method called checklndex to the MusicOrganizer class. It takes a single integer parameter and...Problem 15E:
Write an alternative version of checkIndex called validIndex. it takes an integer parameter and...Problem 16E:
Rewrite both the 1istFi1e and removeFi1e methods in MusicOrganizer so that they use your validIndex...Problem 19E:
We know that the first file name is stored at index zero in the ArrayList, and the list stores the...Problem 21E:
Create a MusicOrganizer and store a few file names in it. Use the 1istAI1Fi1es method to print them...Problem 22E:
Create an ArrayList<String> in the Code Pad by typing the following two lines:
If you write the...Problem 23E:
If you wish, you could use the debugger to help you understand how the statements in the body of the...Problem 24E:
Challenge exercise The for-each loop does not use an explicit integer variable to access successive...Problem 28E:
Write out the header of a for-each loop to process an ArrayList called tracks. Don't worry about the...Problem 30E:
Write a while loop (for example, in a method called multipiesOf Five) that prints out all multiples...Problem 31E:
Write a while loop to add up the values 1 to 10 and print the sum once the loop has finished.
Problem 32E:
Write a method called sum with a while loop that adds up all numbers between two numbers a and b....Problem 33E:
Challenge exercise Write a method isPrime (int n) that returns true if the parameter n is a prime...Problem 34E:
In the findFirst method, the loop's condition repeatedly asks the flies collection how many files it...Problem 41E:
Complete the numberOfMembers method to return the current size of the collection. Until you have a...Problem 45E:
Challenge exercise Write a method to play every track in the track list exactly once, in random...Problem 48E:
Add a close method to the Auction class. This should Iterate over the collection of lots and print...Problem 49E:
Add a getUnsold method to the Auction class with the following header: publicArrayListLotgetUnsold()...Problem 50E:
Suppose the Auction class includes a method that makes It possible to remove a lot from the auction....Problem 51E:
Rewrite getLot so that it does not rely on a lot with a particular number being stored at index...Problem 56E:
Open the products project and complete the StockManager class through this and the next few...Problem 57E:
Implement the findProduct method. This should look through the collection for a product whose id...Problem 58E:
Implement the numberInStock method. This should locate a product in the collection with a matching...Problem 60E:
Challenge exercise Implement a method in StockManager to print details of all products with stock...Browse All Chapters of This Textbook
Chapter 1 - Objects And ClassesChapter 2 - Understanding Class DefinitionsChapter 3 - Object InteractionChapter 4 - Grouping ObjectsChapter 6 - More-sophisticated BehaviorChapter 7 - Fixed-size Collections—arraysChapter 8 - Designing ClassesChapter 9 - Weil-behaved ObjectsChapter 10 - Improving Structure With InheritanceChapter 11 - More About Inheritance
Sample Solutions for this Textbook
We offer sample solutions for Objects First with Java: A Practical Introduction Using BlueJ (6th Edition) homework problems. See examples below:
Given: The class names such as Circle, Square, Triangle, Person, and Canvas. To find:Â The possible...Chapter 2, Problem 1EGiven: The lab-classes project and the object of LabClass as well as Student and three students are...Given: The project name music-organizer-v1 and the class name MusicOrganizer. To find: The way to...Given: The weblog-analyzer project with LogAnalyzer class, analyzeHourlyDataas well as...Explanation: Java allows using the JUnit test framework to write and execute automated tests. It...Given: The network project version and the display method is in the Post class. To find: The display...
More Editions of This Book
Corresponding editions of this textbook are also available below:
Objects First With Java: A Practical Introduction Using Bluej (5th Edition)
5th Edition
ISBN: 9780132492669
Objects First With Java: A Practical Introduction Using Bluej, Global Edition
6th Edition
ISBN: 9781292159041
EBK OBJECTS FIRST WITH JAVA
6th Edition
ISBN: 8220102955318
EBK OBJECTS FIRST WITH JAVA
6th Edition
ISBN: 9780134478449
Objects First With Java: A Practical Introduction Using Bluej.
5th Edition
ISBN: 9780132835541
Objects First With Java: A Practical Introduction Using Bluej (4th Edition)
4th Edition
ISBN: 9780136060864
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