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Introduction to Object-Oriented Programming with Java II

Object-Oriented Programming and Algorithms

Olufisayo Omojokun

Students will build on the skills learned from “Introduction to Object-Oriented Programming with Java I: Foundations and Syntax Basics” and learn the basics of writing classes that serve as blueprints of concepts or objects that are represented in a programming problem. Students will leverage the concepts of inheritance, interfaces, and polymorphism to program reusability and flexibility in classes. Finally, students will gain experience walking through and analyzing algorithms that are applied on data (including objects) in many object-oriented programs.

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What's inside

Learning objectives

Learn how to write instantiable classes that serve as blueprints of concepts or objects
Learn how to write and implement accessor and mutator methods
Learn how to use constructor overloading and chaining
Learn how to use method overloading
Create subclasses of predefined and custom classes
Learn how to override methods, including tostring() and equals()
Learn how to restrict inheritance and overriding
Identify when and how to use an abstract class
Understand the need for an interface for a given programming problem
Learn how to define an interface

Learn how to implement an interface and its abstract methods
Apply the comparable interface on a given class
Recognize the need for generic types
Describe the steps involved in the selection, insertion, and merge sort algorithms
Describe the steps involved in the linear and binary search algorithms
Use big o notation to compare two algorithms based on their runtimes
Learn how to write interfaces with constants, default methods, static methods, and inheritance relationships
Explore the basics of uml class diagrams
Understand how polymorphism is handled at compile time and runtime

Learn how to write instantiable classes that serve as blueprints of concepts or objects
Learn how to write and implement accessor and mutator methods
Learn how to use constructor overloading and chaining
Learn how to use method overloading
Create subclasses of predefined and custom classes
Learn how to override methods, including tostring() and equals()
Learn how to restrict inheritance and overriding
Identify when and how to use an abstract class
Understand the need for an interface for a given programming problem
Learn how to define an interface
Learn how to implement an interface and its abstract methods
Apply the comparable interface on a given class
Recognize the need for generic types
Describe the steps involved in the selection, insertion, and merge sort algorithms
Describe the steps involved in the linear and binary search algorithms
Use big o notation to compare two algorithms based on their runtimes
Learn how to write interfaces with constants, default methods, static methods, and inheritance relationships
Explore the basics of uml class diagrams
Understand how polymorphism is handled at compile time and runtime

Syllabus

Writing custom classes

Encapsulation and information hiding

Introduction to inheritance, including abstract classes

Basics of method overloading and overriding

Introduction to interfaces and polymorphism

UML basics

Sorting algorithms: selection, insertion, and merge sort

Search algorithms: linear and binary search

Basics of complexity and Big O notation

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Explores object-oriented programming techniques in Java, which is standard in industry

Teaches the fundamentals of classes and objects in Java, which helps learners build a strong foundation in core programming concepts and principles

Develops skills in writing classes, using inheritance, interfaces, and polymorphism, which are core skills for software development in Java

Covers sorting and searching algorithms, which are essential for working with data in many object-oriented programs

Introduces UML basics, which is a standard notation for visualizing the design of software systems

Requires learners to come in with some prior programming experience in Java, which may be a barrier for complete beginners

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Introduction to Object-Oriented Programming with Java II: Object-Oriented Programming and Algorithms with these activities:

Organize and review course materials regularly

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Enhance your understanding and retention of course content by regularly reviewing and organizing your notes, assignments, and other materials.

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Create a system for organizing your course materials.
Review your notes regularly.
Complete practice problems or review quizzes based on your materials.

Review object-oriented programming basics

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Reinforce your understanding of the basic principles of object-oriented programming, such as classes, objects, inheritance, and polymorphism.

Browse courses on Object-Oriented Programming

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Read through your notes or textbook chapters on OOP basics.
Complete practice problems or exercises to test your understanding.

Read 'Head First Java' by Kathy Sierra and Bert Bates

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Gain a comprehensive understanding of Java programming concepts through this accessible and engaging book that uses real-world examples and interactive exercises.

View Head First Java: A Brain-Friendly Guide on Amazon

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Read each chapter thoroughly.
Complete the exercises and activities provided in the book.

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Participate in study groups or online forums

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Engage with peers to exchange knowledge, clarify concepts, and gain diverse perspectives on object-oriented programming.

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Join online forums or discussion boards related to Java.
Participate in study groups with classmates or fellow programmers.
Ask questions, share your insights, and collaborate on problems.

Follow online tutorials on advanced Java concepts

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Deepen your knowledge of Java by exploring advanced topics through guided tutorials, which will provide step-by-step instructions and examples.

Browse courses on Inheritance

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Identify specific areas where you want to enhance your skills.
Search for reputable online tutorials or courses that cover those topics.
Follow the tutorials diligently, completing all exercises and assignments.

Solve coding challenges on platforms like LeetCode

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Strengthen your problem-solving skills and test your understanding of Java by tackling coding challenges on platforms like LeetCode, which provide a wide range of exercises.

Browse courses on Coding Challenges

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Register for a LeetCode account or similar platform.
Start with easier challenges to build confidence.
Gradually progress to more difficult challenges.
Review your solutions and learn from your mistakes.

Build a Java project that demonstrates object-oriented principles

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Solidify your understanding of object-oriented programming by creating a practical project that incorporates concepts like inheritance, polymorphism, and encapsulation.

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Brainstorm ideas for a project.
Design the classes and relationships between them.
Implement your design in Java code.
Test your project thoroughly.

Career center

Learners who complete Introduction to Object-Oriented Programming with Java II: Object-Oriented Programming and Algorithms will develop knowledge and skills that may be useful to these careers:

Software Developer

Software Developers design, develop, and test computer software. They may also be responsible for the maintenance and documentation of software systems. This course can help you build a strong foundation in object-oriented programming, which is essential for a successful career as a Software Developer. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Software Developer

Embedded Systems Engineer

Embedded Systems Engineers design, develop, and implement embedded systems. They may also be responsible for the documentation and maintenance of embedded systems. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as an Embedded Systems Engineer. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Embedded Systems Engineer

Mobile App Developer

Mobile App Developers design, develop, and implement mobile applications. They may also be responsible for the documentation and maintenance of mobile applications. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Mobile App Developer. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Mobile App Developer

Game Developer

Game Developers design, develop, and implement video games. They may also be responsible for the documentation and maintenance of video games. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Game Developer. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Game Developer

Robotics Engineer

Robotics Engineers design, develop, and implement robotic systems. They may also be responsible for the maintenance and documentation of robotic systems. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Robotics Engineer. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Robotics Engineer

Artificial Intelligence Engineer

Artificial Intelligence Engineers design, develop, and implement AI systems. They may also be responsible for the maintenance and documentation of AI systems. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as an Artificial Intelligence Engineer. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Artificial Intelligence Engineer

Machine Learning Engineer

Machine Learning Engineers design, develop, and implement machine learning models. They may also be responsible for the maintenance and documentation of machine learning models. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Machine Learning Engineer. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Machine Learning Engineer

Computer Systems Analyst

Computer Systems Analysts design, develop, and implement computer systems. They may also be responsible for the maintenance and documentation of computer systems. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Computer Systems Analyst. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Computer Systems Analyst

Data Scientist

Data Scientists collect, analyze, and interpret data to extract meaningful insights. They may also develop and implement data-driven solutions. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Data Scientist. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

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Computer and Information Systems Manager

Computer and Information Systems Managers plan, coordinate, and direct computer-related activities in an organization. They may also be responsible for the development, implementation, and maintenance of computer systems and networks. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Computer and Information Systems Manager. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Computer and Information Systems Manager

Computer Network Architect

Computer Network Architects design, implement, and maintain computer networks. They may also be responsible for the security and performance of networks. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Computer Network Architect. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Computer Network Architect

Database Administrator

Database Administrators design, develop, and maintain databases. They may also be responsible for the security and performance of databases. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Database Administrator. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Database Administrator

Web Developer

Web Developers design, develop, and maintain websites. They may also be responsible for the content and functionality of websites. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Web Developer. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Web Developer

Information Security Analyst

Information Security Analysts design, implement, and maintain security systems to protect information from unauthorized access, use, disclosure, disruption, modification, or destruction. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as an Information Security Analyst. You will learn how to design, implement, and test object-oriented software systems. You will also gain experience with algorithms and data structures, which are important for developing efficient and effective software solutions.

See salaries and explore the career path for Information Security Analyst

Technical Writer

Technical Writers create and maintain technical documentation, such as user manuals, white papers, and training materials. This course can help you build a foundation in object-oriented programming, which is essential for a successful career as a Technical Writer. You will learn how to write clear and concise documentation that explains complex technical concepts. You will also gain experience with writing tools and software, such as DITA and XML.

See salaries and explore the career path for Technical Writer

Reading list

We've selected 13 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Introduction to Object-Oriented Programming with Java II: Object-Oriented Programming and Algorithms.

Algorithms Unlocked

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A classic work on algorithms, providing a comprehensive overview of the field.

Introduction to Object-Oriented Programming with Java II

Object-Oriented Programming and Algorithms

What's inside

Learning objectives

Syllabus

Good to know

Save this course

Activities

Career center

Reading list

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