problem solving with java pdf

Java, Java, Java: Object-Oriented Problem Solving

(4 reviews)

Ralph Morelli, Trinity College

Ralph Walde, Trinity College

Copyright Year: 2016

Publisher: Ralph Morelli, Ralph Walde

Language: English

Formats Available

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Reviewed by Onyeka Emebo, Assistant Professor, Virginia Tech on 12/28/21

The text adequately addresses areas under Object Oriented Programming using Java as a Programming Language for Introduction to Computer Science courses. It gently introduces basic concepts in computer, objects and java using problem solving... read more

Comprehensiveness rating: 5 see less

The text adequately addresses areas under Object Oriented Programming using Java as a Programming Language for Introduction to Computer Science courses. It gently introduces basic concepts in computer, objects and java using problem solving approaches and gradually builds up to more advanced Java technologies in such a simplified manner that can be easily understood. The text also provides a table of content at the beginning and a summary of points for each chapter with exercises.

Content Accuracy rating: 4

The text content is accurate, without errors and unbiased. There is however some links that needs to be updated.

Relevance/Longevity rating: 4

While the field of computer science with particular emphasis to programming as it relates to this text is constantly evolving, the approach taken by this text to teach the essentials is likely to persist. The code, tested in Java 8, should continue to work with new Java releases. Updates to the text can be done easily by the way it has been written.

Clarity rating: 5

The text is written in a clear and easy to understand manner. The objectives, explanations, examples and exercises are clear and easy to follow. The codes are well commented to aid readability.

Consistency rating: 4

The text is highly consistent in both structure and terminology. It starts each chapter with objectives and outline and concludes with summary, exercises and solutions. However, some codes within the chapters are put in figures while others are not, this could be confusing.

Modularity rating: 5

The text is divided in 17 chapters (0 - 16) and 8 appendices (A – H). Each chapter is further divided into sections and subsections. This breakdown makes it easier for instructors to apportion sections to students at different times within the course.

Organization/Structure/Flow rating: 5

The text is organized in a manner that is logical and it flows well from section to section. The structure makes navigation from chapter to chapter easier.

Interface rating: 3

I reviewed the PDF version and it looks good to a large extent. The links in the table of contents are working properly. There are clickable links within the text to different figures, sections, such as appendices, and external websites. However, there are some issues with some figure titles, e.g., figure 12, 1.10, 2.7, 2.10, 2.14, etc. are cut off. Some hyperlinks for some figures missing e.g., figure 2.8 and some figures don’t have titles.

Grammatical Errors rating: 5

The text contains no grammatical errors.

Cultural Relevance rating: 5

The text is culturally neutral. The examples are unbiased in the way it has been presented.

Reviewed by Ghaith Husari, Assistant Professor, East Tennessee State University on 4/17/20

This book covers Object-Oriented Programming under JAVA. It introduces the concepts of object-oriented programming and they are used for problem-solving. This book covers all the relevant areas of Object-Oriented Programming under Java. Also, it... read more

This book covers Object-Oriented Programming under JAVA. It introduces the concepts of object-oriented programming and they are used for problem-solving. This book covers all the relevant areas of Object-Oriented Programming under Java. Also, it covers more advanced topics such as socket programming and algorithms.

Content Accuracy rating: 5

The Object-Oriented concepts and implementation example shown in code samples are accurate and easy to learn as the code samples are aligned with the concept being discussed. Some links and URLs are out-dated but they have little to no impact on student learning. However, I would add a note that says "some of the links and URLs might not up-to-date. However, they can be found using search engines if necessary"

Programming languages get updated regularly to include new and easier functions to use. While it is impossible for a textbook to include every function, this textbook provides a great learning opportunity that allows students to build the muscle to be able to learn more about Java online. When it comes to Object-Oriented concepts, the book is extremely relevant and up-to-date

The textbook is very easy to understand and the code sample is both clear (code readability) and relevant.

Consistency rating: 5

The text and the terms it contains are consistent. Also, the textbook follows a consistent theme.

The textbook chapters are divided into sections and subsections that are shown also in the table of contents which can be used to visit each section.

The textbook consists of seventeen chapters that are organized in a logical manner. The more general concepts such as problem-solving and programing are placed at the beginning, then the chapters introduce the discuss Object-Oriented Programming come after the general chapters. The more advanced topics such as socket programming and data structures and algorithms come towards the end. This made a lot of sense to me.

Interface rating: 5

The textbook is easily accessible online and it can be downloaded to open with Edge or Adobe Reader without any problems.

No grammar issues have been noticed.

This textbook is neutral and unbiased.

Reviewed by Guanyu Tian, Assistant Professor, Fontbonne University on 6/19/18

This textbook covers Object-Oriented Programming with Java programming language pretty well. It starts with the concept of Objects and problem solving skills and then dive into Java programming language syntax. Overall, it appropriately covers all... read more

Comprehensiveness rating: 4 see less

This textbook covers Object-Oriented Programming with Java programming language pretty well. It starts with the concept of Objects and problem solving skills and then dive into Java programming language syntax. Overall, it appropriately covers all areas of the subject including the main principles of Object-Oriented Programming and Java programming language. In the later chapters, this textbook also introduces advanced topics such as concurrent programming, network/socket programming and data structures. The textbook provides table of contents at the beginning and index of terms at the end. Each chapter also provides a list of key words and a list of important concepts and technique terms.

Content Accuracy rating: 3

The content of the textbook is mostly accurate. Many URLs linked to Java documentations and APIs are not up-to-date.

Many URLs to Java references are not up-to-date and many online samples are not accessible. Nonetheless, the concepts of Object-Oriented Programming and Java programming language syntax are mostly current. Any updates to the contents of the textbook can be implemented with minimal effort.

The text is easy to understand. However, some of the texts are not displayed on adobe reader.

Consistency rating: 3

The text is consistent in terms of framework. Each chapter starts with introduction to a problem, and then discussion and design of the solution with UML diagrams; then Java is used to implement the solution(s). However, there is some level of inconsistency in terms of Java code samples. For example, some Java code examples use appropriate indentations and new lines, but some examples do not. This may confuse students.

Each chapter is divided into different sections and subsections. A student can go to each section of a chapter by clicking it in the Table of Contents.

Organization/Structure/Flow rating: 3

The topics in this text book are organized in a reasonable order. It starts with general concepts of computer and program design, then Objects and Java Programming Language, and then advanced topics in computer programming. It would be better if the textbook starts with Java programming language and then principles of Object Oriented programming.

Some of the texts are not displayed in the reviewer's adobe reader. Many diagrams and figures are poorly drawn. Overall, the interface of the book is one area that needs improvement.

No major grammar issues has been noticed.

The text of this textbook is a neutral and unbiased.

Overall, this textbook covers materials of Object-Oriented Programming with Java taught in first or second-year computer science course. However, the contents of Java programming language has not been up-to-date and the interface of the book is very poor compare to similar books the reviewer has used for learning and teaching the same materials. Some sample codes are not well written or inconsistent in terms of the use of indentation and new lines. Many URLs are obsolete and the web pages are not accessible.

Reviewed by Homer Sharafi, Adjunct Faculty Member, Northern Virginia Community College on 6/20/17

The textbook includes the material that is typically covered in a college-level CS1 course. Using an “early objects” approach and Java as the programming language, the authors go over problem-solving techniques based on object-oriented... read more

The textbook includes the material that is typically covered in a college-level CS1 course. Using an “early objects” approach and Java as the programming language, the authors go over problem-solving techniques based on object-oriented programming principles. In addition to an Index of terms towards the end of the text, each chapter summary includes the technical terms used, along with a bulleted-list of important points discussed in that chapter.

The computer science concepts and the accompanying sample code are accurate and error-free; however, the only issue is the fact that the URLs that make references to various aspects of Java, such as API documentation, JDK, and the Java Language Specification, have not been updated to reflect the fact that Sun Microsystems was acquired by Oracle back in 2010.

Like other software systems, Java is updated on a regular basis; nonetheless, the computer science concepts discussed in the textbook are based on standard undergraduate curriculum taught in a CS1 course. Therefore, any updates to the textbook would need to be with regard to the version of Java with minimal effort.

Clarity rating: 4

The authors deliver clear explanations of the computer science concepts and the accompanying Java language features.

There is a consistent theme throughout much of the text: A topic is introduced and discussed within the context of a problem. Its solution is then designed and explained using UML diagrams; finally, Java is used to illustrate how the solution is implemented on the computer.

Each chapter is divided into sections that can easily be identified within the table of contents. Therefore, it’s fairly easy for a student to pick and choose a section in a chapter and work on the other sections later. Throughout each chapter, there are self-study exercises to incrementally test understanding of the covered material. Solutions to those self-study exercises are then provided towards the end of the chapter. In addition, each chapter includes end-of-chapter exercises that can be used to assess one’s understanding of the computer science concepts as well as the various features of Java.

The book consists of seventeen chapters; however, a typical CS1 course would need the material in the first ten chapters only, and those chapters are set up in a logical manner, allowing one to go through the material sequentially. Depending on how fast he first ten chapters are covered during the course of a semester, an instructor may choose from the last seven chapters in the text to introduce more advanced topics in computer science and/or Java.

Interface rating: 1

The textbook can be accessed online or opened using Acrobat Reader with no problem. There are no issues, as long as navigation is done one page after another manually. However, when browsing through the table of contents (TOC) or the Index, the entries are not set up using any live links. That is, you cannot click on a page number associated with an item within the TOC or the Index to go directly to that page.

Grammatical Errors rating: 3

This reviewer did not come across any such issues, while going through the text.

This is a computing textbook, where the contents are presented using technical terms. Culturally, the textbook is completely neutral and unbiased in terms of how the material is presented.

Table of Contents

• 0 Computers, Objects, and Java
• 1 Java Program Design and Development
• 2 Objects: Defining, Creating, and Using
• 3 Methods: Communicating with Objects
• 4 Input/Output: Designing the User Interface
• 5 Java Data and Operators
• 6 Control Structures
• 7 Strings and String Processing
• 8 Inheritance and Polymorphism
• 9 Arrays and Array Processing
• 10 Exceptions: When Things Go Wrong
• 11 Files and Streams
• 12 Recursive Problem Solving
• 13 Graphical User Interfaces
• 14 Threads and Concurrent Programming
• 15 Sockets and Networking
• 16 Data Structures: Lists, Stacks, and Queues

Ancillary Material

• Ralph Morelli, Ralph Walde

About the Book

We have designed this third edition of Java, Java, Java to be suitable for a typical Introduction to Computer Science (CS1) course or for a slightly more advanced Java as a Second Language course. This edition retains the “objects first” approach to programming and problem solving that was characteristic of the first two editions. Throughout the text we emphasize careful coverage of Java language features, introductory programming concepts, and object-oriented design principles.

The third edition retains many of the features of the first two editions, including:

• Early Introduction of Objects
• Emphasis on Object Oriented Design (OOD)
• Unified Modeling Language (UML) Diagrams
• Self-study Exercises with Answers
• Programming, Debugging, and Design Tips.
• From the Java Library Sections
• Object-Oriented Design Sections
• End-of-Chapter Exercises
• Companion Web Site, with Power Points and other Resources

The In the Laboratory sections from the first two editions have been moved onto the book's Companion Web Site. Table 1 shows the Table of Contents for the third edition.

About the Contributors

Ralph Morelli, Professor of Computer Science Emeritus. Morelli has been teaching at Trinity College since 1985, the same year the computer science major was first offered. More recently, he was one of the Principal Investigators (PIs) for the Humanitarian Free and Open Source Software (HFOSS) project, an NSF-funded effort to get undergraduates engaged in building free and open source software that benefits the public.  In summer 2011 a team of Trinity HFOSS students and faculty traveled to Haiti to build an open source mobile application that helps manage beneficiaries for a humanitarian aid organization. Currently Morelli is the PI of the Mobile CSP project, an NSF-funded effort to train high school teachers in CT and elsewhere to teach the emerging Advanced Placement CS Principles course that is being created by the College Board. The main goal of this NSF initiative is to increase access to computer science among underrepresented groups, including girls, African Americans, and Hispanic Americans.  The Mobile CSP course teaches students to create mobile apps to serve their community.  In summer 2014, a group of 20 Mobile CSP students spent their summer building mobile apps for the city of Hartford. 

Ralph Walde.  Dr. Walde has given Trinity 28 years of distinguished service, first as a Professor of Mathematics and now as a Professor of Computer Science. He was instrumental in helping to establish and nourish computing at Trinity and was one of the founding members of the Computer Science Department.

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Code examples of Problem Solving in Data Structures and Algorithms using Java

Hemant-Jain-Author/Problem-Solving-in-Data-Structures-Algorithms-using-Java

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Problem-solving-in-data-structures-algorithms-using-java.

This is the code repository of book "Problem Solving in Data Structures & Algorithms Using Java".

About The Book

• This textbook provides in depth coverage of various Data Structures and Algorithms.
• Concepts are discussed in easy to understand manner.
• Large number of diagrams are provided to grasp concepts easily.
• Time and Space complexities of various algorithms are discussed.
• Helpful for interviews preparation and competitive coding.
• Large number of interview questions are solved.
• Java solutions are provided with input and output.
• Guide you through how to solve new problems in programming interview of various software companies.

Table of Contents

• Chapter 0: How to use this book.
• Chapter 1: Algorithms Analysis
• Chapter 2: Approach to solve algorithm design problems
• Chapter 3: Abstract Data Type & JAVA Collections
• Chapter 4: Searching
• Chapter 5: Sorting
• Chapter 6: Linked List
• Chapter 7: Stack
• Chapter 8: Queue
• Chapter 9: Tree
• Chapter 10: Priority Queue
• Chapter 11: Hash-Table
• Chapter 12: Graphs
• Chapter 13: String Algorithms
• Chapter 14: Algorithm Design Techniques
• Chapter 15: Brute Force Algorithm
• Chapter 16: Greedy Algorithm
• Chapter 17: Divide & Conquer
• Chapter 18: Dynamic Programming
• Chapter 19: Backtracking
• Chapter 20: Complexity Theory

• ▼Java Exercises
• ▼Java Basics
• Basic Part-I
• Basic Part-II
• ▼Java Data Types
• Java Enum Types
• ▼Java Control Flow
• Conditional Statement
• Recursive Methods
• ▼Java Math and Numbers
• ▼Object Oriented Programming
• Java Constructor
• Java Static Members
• Java Nested Classes
• Java Inheritance
• Java Abstract Classes
• Java Interface
• Java Encapsulation
• Java Polymorphism
• Object-Oriented Programming
• ▼Exception Handling
• Exception Handling Home
• ▼Functional Programming
• Java Lambda expression
• ▼Multithreading
• Java Thread
• Java Multithreading
• ▼Data Structures
• ▼Strings and I/O
• File Input-Output
• ▼Date and Time
• ▼Advanced Concepts
• Java Generic Method
• ▼Algorithms
• ▼Regular Expressions
• Regular Expression Home
• ▼JavaFx Exercises
• JavaFx Exercises Home
• ..More to come..

Java Programming Exercises, Practice, Solution

Java exercises.

Java is the foundation for virtually every type of networked application and is the global standard for developing and delivering embedded and mobile applications, games, Web-based content, and enterprise software. With more than 9 million developers worldwide, Java enables you to efficiently develop, deploy and use exciting applications and services.

The best way we learn anything is by practice and exercise questions. Here you have the opportunity to practice the Java programming language concepts by solving the exercises starting from basic to more complex exercises. A sample solution is provided for each exercise. It is recommended to do these exercises by yourself first before checking the solution.

Hope, these exercises help you to improve your Java programming coding skills. Currently, following sections are available, we are working hard to add more exercises .... Happy Coding!

List of Java Exercises:

• Basic Exercises Part-I [ 150 Exercises with Solution ]
• Basic Exercises Part-II [ 99 Exercises with Solution ]
• Methods [ 23 Exercises with Solution ]
• Data Types Exercises [ 15 Exercises with Solution ]
• Java Enum Types Exercises [ 5 Exercises with Solution ]
• Conditional Statement Exercises [ 32 Exercises with Solution ]
• Java recursive method Exercises [ 15 Exercises with Solution ]
• Math [ 27 Exercises with Solution ]
• Numbers [ 28 Exercises with Solution ]
• Java Constructor Exercises [ 10 exercises with solution ]
• Java Static Members Exercises [ 8 exercises with solution ]
• Java Nested Classes Exercises [ 10 exercises with solution ]
• Java Inheritance Exercises [ 9 exercises with solution ]
• Java Abstract Classes Exercises [ 12 exercises with solution ]
• Java Interface Exercises [ 11 exercises with solution ]
• Java Encapsulation Exercises [ 14 exercises with solution ]
• Java Polymorphism Exercises [ 12 exercises with solution ]
• Object-Oriented Programming [ 30 Exercises with Solution ]
• Exercises on handling and managing exceptions in Java [ 7 Exercises with Solution ]
• Java Lambda expression Exercises [ 25 exercises with solution ]
• Streams [ 8 Exercises with Solution ]
• Java Thread Exercises [ 7 exercises with solution ]
• Java Miltithreading Exercises [ 10 exercises with solution ]
• Array [ 77 Exercises with Solution ]
• Stack [ 29 Exercises with Solution ]
• Collection [ 126 Exercises with Solution ]
• String [ 107 Exercises with Solution ]
• Input-Output-File-System [ 18 Exercises with Solution ]
• Date Time [ 44 Exercises with Solution ]
• Java Generic Methods [ 7 exercises with solution ]
• Java Unit Test [ 10 Exercises with Solution ]
• Search [ 7 Exercises with Solution ]
• Sorting [ 19 Exercises with Solution ]
• Regular Expression [ 30 Exercises with Solution ]
• JavaFX [ 70 Exercises with Solution ]

Note: If you are not habituated with Java programming you can learn from the following :

• Java Programming Language

More to Come !

List of Exercises with Solutions :

• HTML CSS Exercises, Practice, Solution
• JavaScript Exercises, Practice, Solution
• jQuery Exercises, Practice, Solution
• jQuery-UI Exercises, Practice, Solution
• CoffeeScript Exercises, Practice, Solution
• Twitter Bootstrap Exercises, Practice, Solution
• C Programming Exercises, Practice, Solution
• C# Sharp Programming Exercises, Practice, Solution
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• MySQL Exercises, Practice, Solution
• PostgreSQL Exercises, Practice, Solution
• SQLite Exercises, Practice, Solution
• MongoDB Exercises, Practice, Solution

[ Want to contribute to Java exercises? Send your code (attached with a .zip file) to us at w3resource[at]yahoo[dot]com. Please avoid copyrighted materials.]

Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.

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Java Exercises – Basic to Advanced Java Practice Programs with Solutions

Looking for Java exercises to test your Java skills, then explore our topic-wise Java practice exercises? Here you will get 25 plus practice problems that help to upscale your Java skills.

As we know Java is one of the most popular languages because of its robust and secure nature. But, programmers often find it difficult to find a platform for Java Practice Online. In this article, we have provided Java Practice Programs. That covers various Java Core Topics that can help users with Java Practice.

So, with ado further take a look at our free Java Exercises to practice and develop your Java programming skills. Our Java programming exercises Practice Questions from all the major topics like loops, object-oriented programming, exception handling, and many more.

Topic Wise Java Exercises List

• Pattern Programs in Java
• Array Programs in Java
• String Programs in Java

Java Practice Problems for Searching Algorithms

Practice problems in java sorting algorithms, more java practice exercises.

Java Practice Programs

This Java exercise is designed to deepen your understanding and refine your Java coding skills, these programs offer hands-on experience in solving real-world problems, reinforcing key concepts, and mastering Java programming fundamentals. Whether you’re a beginner who looking to build a solid foundation or a professional developer aiming to sharpen your expertise, our Java practice programs provide an invaluable opportunity to sharpen your craft and excel in Java programming language .

By diving into these exercises, you’ll not only reinforce key concepts but also gain the practical experience needed to tackle real-world problems effectively. This hands-on practice is essential for mastering Java fundamentals and advancing your career as a proficient Java developer. To further enhance your skills, consider enrolling in our Java Course . This course offers comprehensive lessons and practical exercises, making it an excellent resource for both beginners and experienced developers.

1. Write Hello World Program in Java

The solution to the Problem is mentioned below:

2. Write a Program in Java to Add two Numbers.

Click here for the solution, 3. write a program to swap two numbers, 4. write a java program to convert integer numbers and binary numbers., 5. write a program to find factorial of a number in java., 6. write a java program to add two complex numbers., 7. write a program to calculate simple interest in java, 8. write a program to print the pascal’s triangle in java, 9. write a program to find sum of fibonacci series number, java exercise on pattern.

10. Write a Program to Print Pyramid Number Pattern in Java.

11. write a java program to print pattern., 12. write a java program to print pattern., 13. java program to print patterns., array exercises in java.

14. Write a Java Program to Compute the Sum of Array Elements.

15. write a java program to find the largest element in array, 16. write java program to find the tranpose of matrix, 17. java array program for array rotation, 18. java array program to remove duplicate elements from an array, 19. java array program to remove all occurrences of an element in an array, string exercises in java.

20. Java program to check whether a string is a Palindrome

21. java string program to check anagram, 22. java string program to reverse a string, 23. java string program to remove leading zeros.

24. Write a Java Program for Linear Search.

Time Complexity: O(N) Space Complexity: O(N)

25. Write a Binary Search Program in Java.

Time Complexity: O(logN) Space Complexity: O(N)

26. Java Program for Bubble Sort.

Time Complexity: O(N 2 ) Space Complexity: O(1)

27. Write a Program for Insertion Sort in Java.

28. java program for selection sort., 29. java program for merge sort..

Time Complexity: O(N logN) Space Complexity: O(N)

30. Java Program for QuickSort.

Time Complexity: O(N logN) Space Complexity: O(1)

After completing these Java exercises you are a step closer to becoming an advanced Java programmer. We hope these exercises have helped you understand Java better and you can solve beginner to advanced-level questions on Java programming.

Solving these Java programming exercise questions will not only help you master theory concepts but also grasp their practical applications, which is very useful in job interviews.

Java Array Exercise Java String Exercise Java Collection Exercise Click Here – To Practice Java Online please check our Practice Portal.

Java Exercise – FAQ

1. how to do java projects for beginners.

To do Java projects you need to know the fundamentals of Java programming. Then you need to select the desired Java project you want to work on. Plan and execute the code to finish the project. Some beginner-level Java projects include: Reversing a String Number Guessing Game Creating a Calculator Simple Banking Application Basic Android Application

2. Is Java easy for beginners?

As a programming language, Java is considered moderately easy to learn. It is unique from other languages due to its lengthy syntax. As a beginner, you can learn beginner to advanced Java in 6 to 18 months.

3. Why Java is used?

Java provides many advantages and uses, some of which are: Platform-independent Robust and secure Object-oriented Popular & in-demand Vast ecosystem

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Data abstraction and problem solving with Java : walls and mirrors

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