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Make a Postage Calculator with Scala

In this course, you will complete a postage estimator application and learn these intermediate level Scala topics: abstract classes and traits, enumeration, singleton object, companion object and factory methods, case object. At the end of this class, you will have gained a deeper understanding of Scala and apply it to application development.

Prerequisite: Basic level knowledge of Scala, such as basic object-oriented programming

Helpful but not required: Experience with any modern programming languages such as Java, JavaScript, C++, Swift or Kotlin.

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What's inside

Syllabus

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Developers with up-to-date practical knowledge of Scala

Expands on basic Scala knowledge with intermediate to advanced concepts

Suitable for software developers with experience in modern programming languages

Teaches the skills needed to develop postage estimator applications

May require students to take prerequisites before enrolling

Assumes familiarity with object-oriented programming concepts

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Reviews summary

Practical scala intermediate concepts

According to learners, this course provides a clear and practical application of intermediate Scala concepts. Students appreciate its ability to bridge the gap from basic Scala to more advanced topics, offering well-structured explanations for features like abstract classes, traits, and companion objects. The hands-on postage calculator project is frequently highlighted as an effective and engaging way to solidify understanding and gain practical experience. While many find the course concise and well-paced, a few learners noted that it could benefit from greater depth in real-world application scenarios or more complex problem-solving, and some felt the project was a bit simple. Overall, it's considered highly beneficial for reinforcing Scala skills.

Learners had differing views on course pace and suitability for their skill level.

"The course covers the topics, but sometimes the explanations felt a bit rushed, especially for enumeration."

"If you already have some intermediate Scala, it might be too basic. For those just stepping up, it's decent but not groundbreaking."

"I struggled with this course... I felt like I needed to constantly look up additional resources to understand properly."

Helps learners solidify existing basic Scala knowledge into intermediate application.

"This course was exactly what I needed to bridge the gap from basic Scala to more advanced concepts."

"A solid introduction to intermediate Scala... It definitely requires prior basic Scala knowledge, as stated."

"Helped reinforce Scala's intermediate features. The examples were well-chosen. It's a quick way to get hands-on."

Features a hands-on project that effectively applies learned Scala concepts.

"Building the postage calculator was a practical way to apply what I learned."

"The hands-on project was beneficial, though I felt some parts, like error handling or more complex business logic, could have been expanded upon."

"The postage calculator example is simple yet effective for demonstrating the principles. I particularly appreciated the section on factory methods."

Provides well-structured, easy-to-follow explanations for complex topics.

"The way it explained abstract classes, traits, and especially companion objects was incredibly clear."

"Absolutely loved this course! The content on abstract classes and traits was fantastic, and the examples given were very relatable."

"The lectures were clear and the code examples are easy to follow. I gained confidence in my Scala skills."

Some learners desired more advanced or real-world application scenarios.

"I felt some parts, like error handling or more complex business logic, could have been expanded upon."

"While the project was okay, it could have used more challenging aspects or alternative approaches to the solution."

"A bit more depth on real-world usage beyond the calculator would be great."

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 Make a Postage Calculator with Scala with these activities:

Brush up on object-oriented programming concepts

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Review fundamental object-oriented programming (OOP) concepts to strengthen your understanding of abstract classes and traits.

Browse courses on Object-Oriented Programming

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Revisit an OOP tutorial or documentation
Go through your notes or previous assignments on OOP
Practice writing simple OOP programs to reinforce your understanding

Review Scala fundamentals

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Review the basics of Scala, including syntax, data types, and control flow, to prepare for the course.

Browse courses on Scala

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Revisit a Scala tutorial or documentation
Go through your notes or previous assignments from a Scala course
Practice writing simple Scala programs to reinforce your understanding

Read 'Scala for the Impatient'

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Gain a comprehensive understanding of Scala by reading 'Scala for the Impatient', a highly-regarded book that covers abstract classes, traits, and other core concepts.

View Core Java, Volume I on Amazon

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Acquire a copy of 'Scala for the Impatient'
Read through the chapters covering abstract classes and traits
Work through the exercises and examples provided in the book

One other activity

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Seek guidance from experienced Scala developers

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Connect with experienced Scala developers who can provide mentorship, answer your questions, and offer valuable insights.

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Attend local meetups or online events related to Scala
Reach out to Scala developers on platforms like LinkedIn or GitHub
Request mentorship or guidance on specific topics related to abstract classes and traits
Follow up regularly and engage with your mentors

Career center

Learners who complete Make a Postage Calculator with Scala will develop knowledge and skills that may be useful to these careers:

Software Engineer

Software Engineers apply the principles of computer science and software design to the creation and maintenance of computer programs. By implementing new software solutions and improving existing systems, Software Engineers ensure that systems function efficiently and meet the needs of their users. This course provides a strong foundation in intermediate-level Scala concepts like abstract classes, traits, and object-oriented programming, all of which are essential to the work of a Software Engineer.

See salaries and explore the career path for Software Engineer

Data Engineer

Data Engineers design, build, and maintain the infrastructure and processes that allow organizations to collect, store, and analyze their data. With a solid grasp of Scala, gained through this course, they can develop efficient and scalable data pipelines, transforming raw data into actionable insights.

See salaries and explore the career path for Data Engineer

Back-End Developer

Back-End Developers focus on the server-side of web applications, ensuring the smooth functioning of databases, servers, and application logic. By mastering intermediate-level Scala concepts like object-oriented programming and abstract classes, this course equips you to excel in this role.

See salaries and explore the career path for Back-End Developer

Quantitative Analyst

Quantitative Analysts use mathematical and statistical models to analyze financial data and make investment recommendations. This course's focus on abstract classes and traits in Scala provides a strong foundation for understanding complex financial models and developing quantitative trading strategies.

See salaries and explore the career path for Quantitative Analyst

Machine Learning Engineer

Machine Learning Engineers build and deploy machine learning models to solve real-world problems. This course's emphasis on object-oriented programming and abstract classes in Scala will help you develop the necessary skills to design, implement, and maintain scalable machine learning systems.

See salaries and explore the career path for Machine Learning Engineer

Full-Stack Developer

Full-Stack Developers handle both the front-end and back-end aspects of web development. By mastering intermediate-level Scala concepts like object-oriented programming and abstract classes, this course will equip you to build comprehensive web applications from scratch.

See salaries and explore the career path for Full-Stack Developer

Web Developer

Web Developers design, build, and maintain websites and web applications. This course's focus on object-oriented programming and abstract classes in Scala will provide you with a solid foundation for creating dynamic and interactive web experiences.

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DevOps Engineer

DevOps Engineers bridge the gap between development and operations teams, ensuring seamless software delivery. This course's emphasis on object-oriented programming and abstract classes in Scala will help you automate and streamline the software development lifecycle.

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Cloud Architect

Cloud Architects design and manage cloud computing systems. This course's focus on abstract classes and traits in Scala will provide you with the necessary skills to build scalable and reliable cloud-based architectures.

See salaries and explore the career path for Cloud Architect

Data Scientist

Data Scientists analyze data to extract meaningful insights and inform decision-making. This course's emphasis on object-oriented programming and abstract classes in Scala will provide you with the necessary skills to manage and process large datasets effectively.

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Systems Analyst

Systems Analysts design and implement computer systems to meet the needs of organizations. This course's focus on abstract classes and traits in Scala will provide you with the necessary skills to analyze and design efficient and effective systems.

See salaries and explore the career path for Systems Analyst

Software Tester

Software Testers ensure the quality and reliability of software products. This course's emphasis on object-oriented programming and abstract classes in Scala will provide you with the necessary skills to write effective test cases and evaluate software performance.

See salaries and explore the career path for Software Tester

Technical Writer

Technical Writers create and maintain documentation for software and other technical products. This course's focus on abstract classes and traits in Scala will provide you with the necessary skills to organize and present complex technical information clearly.

See salaries and explore the career path for Technical Writer

Business Analyst

Business Analysts analyze and improve business processes. This course may be helpful for Business Analysts who want to gain a deeper understanding of object-oriented programming and abstract classes in Scala, as these concepts can be applied to modeling and analyzing business systems.

See salaries and explore the career path for Business Analyst

Product Manager

Product Managers oversee the development and launch of new products. This course may be helpful for Product Managers who want to gain a deeper understanding of object-oriented programming and abstract classes in Scala, as these concepts can be applied to planning and managing software development projects.

See salaries and explore the career path for Product Manager

Reading list

We've selected nine 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 Make a Postage Calculator with Scala.

Programming in Scala

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Comprehensive guide to the Scala programming language. It covers all the essential concepts of Scala, from basic syntax to advanced topics such as concurrency and functional programming. It valuable resource for anyone who wants to learn more about Scala.

Make a Postage Calculator with Scala

Here's a deal for you

What's inside

Syllabus

Traffic lights

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Reviews summary

Practical scala intermediate concepts

Activities

Career center

Reading list

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