Introduction
In digitization, the internet, smartphones, and other smart devices have become an integral part of people’s lives. Everything is just a few clicks away with a smartphone, from online shopping to banking and even ticket reservation.
All of the facilities have become a reality due to devices and applications powered with a high-level programming language called Java.
The concept of “write once, run anywhere” has made Java a strong contributor across platforms. Today, Java environments exist in Android OS for mobile applications and numerous web applications.
With such a wide range of applicability, Java continues to be one of the most sought-after programming languages in the technology industry.
Such demands have increased the number of jobs as Java developers, and it continues to sit at the top of the ladder as one of the highest paying job roles in the industry. Therefore, all the aspirants must have strong Java skills, and it is possible by opting for some of the best courses available on the e-learning platforms.
Related reading: Top 10 Online Courses to Learn C++ Programming
1. Java Certification Training Course – SimpliLearn
The advanced java programming course is available on Simplilearn. The course is designed to guide the learners through the essential concepts of Java, beginning from introductory techniques to building advanced programming skills.
The course also provides Core Java 8, operators, loops, methods, arrays and constructors, and hands-on experience with JDBC and Junit framework.
The key features of the course are an extended 60 hours of applied learning, 35 coding-related exercises on core Java 8, lifetime access to self-paced learning contents, hands-on implementation on the web-based project during the course, and the flexibility to choose the classes and timings.
Some the essential areas that are covered include:
- Core Java 8 concepts
- Java EE
- Java Servlet
- Hibernate and Spring frameworks
- SOA and web services
- Multithreading string handling exception handling techniques
- J2EE HTTP protocol and HTML
- The course curriculum includes the following content:
- Introduction to Java EE
- Servlets API, Interfaces, and Methods
- Servlet Lifecycle
- Configure and Deploy Servlet
- ServletRequest and ServletResponse
- Servlet Config and ServletContext
- Servlet Scopes, Attributes, and Collaboration
- Session Management
- Listeners in Java EE
- Filters in Java EE
- Introduction to Hibernate
- Hibernate Queries and Relationship
- Introduction to Spring
- Spring AOP
- Spring JDBC and Spring Hibernate
- Spring MVC, SOA, and Web Services
- Free Course: Core Java
COURSE DETAILS:
Instructor: Industry Experts
Level: Intermediate/ Advanced
Video Lectures: 30 Video Lectures
User Review: 4.6/5
Price: Self-paced: $160, Online Bootcamp: $178
2. Object-Oriented Programming in Java Specialization – Coursera
This Java specialization course is among the top-rated online courses on the e-learning platform. The course is offered jointly by Duke University and UC San Diego on Coursera and is intended for software developers with some experience in programming languages such as Python or C.
The learners will gain experience working in Java development environments like BlueJ and Eclipse and learn to program for creating the graphical user interface for applications.
Additionally, the learners will understand how to design programs capable of managing large amounts of data.
The course modules are:
Java Programming: Solving Problems with Software
- Edit, compile and run a Java program
- Use conditionals and loops in a Java program
- Use Java API documentation in writing programs.
- Debug a Java program using the scientific method.
- Write a Java method to solve a specific problem.
- Develop a set of test cases as part of developing a program.
- Create a class with multiple methods that work together to solve a problem.
- Use divide-and-conquer design techniques for a program that uses multiple methods.
Java Programming: Arrays, Lists, and Structured Data
- Read and write data from/to files.
- Solve problems involving data files.
- Perform quantitative analyses of data.
- Store and manipulate data in an array or ArrayList.
- Combine multiple classes to solve more significant problems.
- Use iterables and collections (including maps) in Java.
Object-Oriented Programming in Java
- Fundamentals of Object-Oriented Programming
- Leverage existing libraries.
- Building graphical user interface
- Core algorithms for searching and sorting data.
- Project
Data Structures and Performance
- Using and analyzing data structures.
- Industry-level applications.
- Linked lists, trees, and hash tables.
- Understand how data structures make programs efficient and flexible.
- Asymptotic Big-O analysis for performance evaluation of algorithms.
- Evaluation of efficient strategies for data retrieval, the addition of new data, deletion of elements, and memory usage.
COURSE DETAILS:
Instructor: Owen Astrachan, Andrew D. Hilton, Mia Minnes, Christine Alvarado, Robert Duvall, Susan H. Rodger, and Leo Porter
Level: Beginner
Video Lectures: NA
User Review: 4.7/5
Price: Free Enrollment (Additional charges may be applicable for certification)
3. Core Java Specialization by Learn Quest – Coursera
The Core Java specialization course is part of a series of programming specializations offered by Learn Quest on Coursera. The course is offered to provide Java programming experience in corporate environments.
The learners are expected to have prior knowledge of the fundamentals of software development. In this course, the learners will master the Java programming language and the packages that are part of its core libraries. The course also emphasizes providing adequate hands-on experience.
The first module of the course introduces the fundamentals of Java, followed by the second module that provides important concepts on object-oriented programming and its application in Java and Java classes, instances, and packaging.
The third module focuses on applying OOP concepts in Java, including inheritance and polymorphism.
The final module provides the concepts of Java SE class library, generic collections,
Java Streams and I/O exceptions, annotations, and Enums. Several additional topics, such as database connectivity in Java, are covered in more excellent detail. On completion of the capstone project, the learners will be eligible for obtaining their software developer certificate.
The course modules are:
- Introduction to Java
- Introduction to Object-Oriented Programming with Java
- Object-Oriented Hierarchies in Java
- Java Class Library
COURSE DETAILS:
Instructor: Noel J. Bergman and Evan Bergman
Level: Intermediate
Video Lectures: NA
User Review: 4.7/5
Price: Free Enrollment (Additional charges may be applicable for certification)
4. Become a Java Programmer: Nanodegree Program – Udacity
The course is offered on the Udacity platform. The nano degree program is similar to a specialization program on other platforms. The course is focused on providing the essential concepts to elevate the Java skills of the learners.
The fundamentals skills used by Java developers for coding, testing, and deployment are explored in-depth.
The course is ideal for beginners with little or no Java experience. There is a simple prerequisite for the course: having prior experience with basic programming concepts like variables, loops, conditionals, arrays, and methods.
The certificate program offers a real-world project to build hands-on experience, along with technical mentor support and career services.
The learners are also provided with project feedback from experienced reviewers and a GitHub review.
The course modules are:
Java Fundamentals
- Introduction to fundamental concepts
- Best Practices of Java programming
- Basic OOP concepts such as encapsulation and inheritance.
- Java concepts such as collections, exceptions, and Java types
Advanced Java Programming Techniques
- Software Design
- Modern language features
- Lesser known features of Java
- Functional programming, I/O serialization, and reflection
- Design ideas for strengthening your software design
- Designing an extensible and scalable software system
- Basic concepts and techniques of concurrent programming in Java for modern and multi-core hardware systems
Java Application Development
- Java ecosystem
- Production-ready applications
- Java code compilation, packaging, and execution
- Maven for automation and customization of the build process
- Manage external project dependencies
- Modules in Java 9
- Tools for Junit 5 for unit tests and evaluating code coverage
- Mockito library and test doubles for expanding the testing capabilities of complex applications
COURSE DETAILS:
Instructor: Jeff Phillips, Dustin Hellstern, and Alex Pritchard
Level: Beginner/ Intermediate
Video Lectures: NA
User Review: NA
Price: 3 Month Access: $798 Approximately, Per Month: $311
5. Become a Java Web Developer Nanodegree Program – Udacity
The course is offered on the online learning platform – Udacity. The course covers the concepts of enterprise-level and scalable back-end development using Java. It is a 4-month duration course that provides the basic training for building the programming experience for back-end development in a large enterprise environment.
The prerequisites for the course include prior web development experience but not mandatory. Also, the learners are expected to have familiarity with concepts like initialize, primitive Java data types, select and use collections using Java. Util. Collections, designing and creating classes and class methods using Java, creating interfaces and subclasses in Java, launching Java applications from an IDE, and basic understanding of SQL queries.
The course curriculum includes:
- Spring Boot Basics
- Web Services and APIs
- Data Stores and Persistence
- Security and DevOps
COURSE DETAILS:
Instructor: Kesha Williams, Sareeta Panda, Peter Zastoupil, and Alex Pritchard
Level: Intermediate
Video Lectures: NA
User Review: 4.3/5
Price: 3 Month Access: $1064 Approximately, Per Month: $311
6. Java EE 7 Fundamentals – Pluralsight
The course is available on the Pluralsight platform. This course is a code-focused course that introduces how to build a complete application using Java EE 7 specification.
The learners will understand how the Java EE platform functions, its history, and its uses in modern platforms. The primary concepts of building a web application in Java EE and interoperate Java EE applications with external services are covered in-depth. Finally, the architectural concepts and best practices when building a Java EE application are explored in the course.
By the end of the course, the learners will have a solid foundation for building their applications and tackle any developmental environment challenges.
The course modules are:
Course Overview
- Introduction
- Today’s Applications
- What is wrong with developing with Java SE?
- Java EE
Understanding Java EE
- Introduction
- What is an Enterprise application?
- What is Java EE?
- Standard
- Java EE specification
Creating a Common Application Tier
- Injection
- Understanding CDI
- Dependency Injection
- Using Qualifiers
- Defining Context
- Interception
- Intercepting calls
- Validation and Bean validation
- Built-in constraints
Addressing Business Concerns
- Persistence
- Understanding JPA
- Mapping and querying entities
- Java persistence query language
- Transaction
- Understanding JTA
- Managing Transactions
- Batch processing
- Understanding JBatch
Implementing Web Applications
- Servlets
- Processing a request
- Web pages
- Understanding JSF
- Writing JSF pages
- Web Sockets
Interoperating with external services
- XML and JSON
- Processing and binding
- REST web services
- JAX-RS
- Exposing and consuming REST services
- Messaging
- JMS
Putting it all together
- Modularity and Flexibility
- Summary
COURSE DETAILS:
Instructor: Antonio Goncalves
Level: Beginner
Video Lectures: NA
User Review: 4.7/5
Price: Free 10-day trial (Charges apply after trial period. Price available on sign up)
7. Java from Beginner to Expert – Skillshare
The Java programming course is designed for beginners without any prior experience in programming. It is offered on the Skillshare platform. The course covers the topics on advanced components of the Java language and also introduces all the fundamentals from scratch.
By the end of the course, the learners will gain experience working with Java to build Android applications.
The course also provides hands-on experience by working on projects such as creating a class for representing a bottle with properties like the amount of current water and capacity of the bottle.
There are a total of three projects in the course.
The course curriculum includes:
- Introduction
- What is Java?
- Downloading and installing IDE and JDK 13
- Comments
- Basics
- Shortcuts
- Variables
- Naming conventions
- Casting
- Arithmetic operators
- Relational Operators
- Logical Operators
- Bitwise Operators
- Conditional Statements
- Switch
- Conditional Expression
- Arrays
- Multidimensional Arrays
- Loops
- Break and continue
- Summing many values
- Object-Oriented Programming Overview
- Constructors
- Methods
- Overloading methods
- Static keyword
- Packages
- Encapsulation
- References
- Comparing Strings
- Bottle
- Inheritance
- Polymorphism
- Protected modification
- Abstract classes and methods
- Object class – equals
- Final keyword
- What are interfaces?
- Sorting using interfaces
- Nested Class
- Anonymous classes
- Aggregation
- Lambda
- Documentation
- Default Method
- BONUS: wild cards
- BONUS BASICS OF ANDROID: Downloading and installing Android Studio
- Creating your first Android Studio project
- How to change the theme in Android Studio?
- What is SDK?
- How to update Android Studio?
- AVD – emulating virtual device
- What is XML, and how is it related to Android apps?
- Activity and Views
- Listeners – handling events
- Faster button event handling
- Layouts
- Summary
COURSE DETAILS:
Instructor: Arkadiusz Włodarczyk
Level: Beginner
Video Lectures: 77 Video Lectures
User Review: NA
Price: Free
8. Java Programming Fundamentals – edX
Galileo University offers the course on the edX platform and it’s intended for people with prior programming knowledge. The course provides learners with the essential skills and knowledge on Java and covers advanced concepts on solving programming problems. For loops, conditional statements, recursive algorithms, and OOP concepts are explored in detail.
By the end of the course, the learners will have a clear understanding of the OOP paradigm’s primary mechanism and classes, interfaces, inheritance, and polymorphism.
Additionally, the learners can understand how to develop programs using conditions and loops and implement recursive algorithms.
Finally, the writing and compilation of Java applications and the networking interfaces for communicating with other programs will be one area of expertise.
The course modules include:
Lesson 01 – Java Overview
Introduction
- Java Overview
- Installing the tools (JDK, JRE, IntelliJ)
- Java Basics
- Operators
- Control Flow
- Classes, objects, and methods
Lesson 02 – Java
- Basics
- Introduction
- Memory Areas
- Java Garbage Collection Types
- Package
- Access Control
- Interfaces
- Inheritance
- Polymorphism
Lesson 03 Useful
- Libraries
- Data structures
- Generics
- SOLID Principles
- Files and I/O
Lesson 04 Functional and Concurrences
- Immutable Objects
- Annotations
- Lambda expressions
- Functional Interfaces
- Concurrency and Threads Review
- Exception Handling
- Extended content
Lesson 05 Exchange Information
- Networking and Communication
- Data serialization
- Mini- Project
- Final proctored exam
COURSE DETAILS:
Instructor: Jorge Vargas and Victor Orozco
Level: Intermediate
Video Lectures: NA
User Review: NA
Price: Free enrollment (Additional $48 for certification)
9. Professional Certificate in Introduction to Object-Oriented Programming with Java – edX
The course is provided by Georgia Tech- a top-tier institution for education. It is available on the edX platform. The course is a 5-month duration course and focuses on building the foundations of the Java programming language.
The learners will have a thorough understanding of OOP concepts and algorithms, followed by creating and using exceptions, data structures, Recursion, and GUIs.
The course modules are:
Introduction to Object-Oriented Programming with Java I: Foundations and Basics
- History of Java
- Basic elements of Java
- Execution of Java programs
- Solutions in terms of classes and objects
- Whitespace, commenting, errors and variables
- Creating objects of existing classes
- Create objects and invoke methods of the String class
- Inputs from the terminal
- Formatting requirements for text printed to the terminal
- Decision-making statements (if, if-else, switch)
- Iteration statements (while, do-while, for)
- One- and two-dimensional arrays
- Learn how to access, change, traverse, and search for data in arrays
- Explore modularity and reusability in the context of methods
- Learn how to define static methods
- Understand when and how to overload methods
Introduction to Object-Oriented Programming with Java II: Object-Oriented Programming and Algorithms
- Instantiable classes
- Write and Implement accessor and mutator methods
- Constructor overloading and chaining
- Method overloading
- Subclasses and predefined custom classes
- Override methods
- Inheritance and overriding
- Abstract class uses
- Define an Interface
- Implementing interface
- Need for generic types
- Steps for the selection, insertion, and merge sort algorithms
- Steps for the linear and binary search algorithms
- Use Big O notation to compare two algorithms based on their runtimes
- Writing interfaces with constants, default methods, static methods, and inheritance relationships
- Explore the basics of UML class diagrams
- Polymorphism at compile time and runtime
Introduction to Object-Oriented Programming with Java III: Exceptions, Data Structures, Recursion, and GUIs
- Benefits of exceptions vs. built-in error checks
- Handling exceptions
- Read and write simple texts from Java
- Distinguish a checked exception from an unchecked
- Creating ArrayLists and LinkedList
- Difference between array-based data structures and link-based ones
- The base case, reduction step, and recursive call in recursive solutions
- Model the call stack during the execution of a recursive method
- Developing JavaFX scene with a basic layout and controls
- Attach event handlers to controls and bring life to the scene
- Package the scene and event handlers into a Java application
COURSE DETAILS:
Instructor: Olufisayo Omojokun
Level: Beginner/Intermediate
Video Lectures: NA
User Review: NA
Price: $533 approximately
10. Introduction to Java Programming: Starting to Code in Java – edX
The course is offered by Universidad Carlos III de Madrid on edX. The course introduces Java programming and powerful concepts like functional abstraction, OOP paradigm, and application programming interfaces.
The course also provides case studies and practical examples to build upon the programming knowledge. There is a strong emphasis on immediate feedback and having an interactive experience with the course.
The takeaway from this course are:
- The knowledge of algorithms and Java programming
- Developing programs with conditionals and loops
- Designing and implementation of the recursive algorithm
- Understanding the primary mechanism of the OOP paradigm
- Using the API of most common Java classes
- Developing programs using Java
Lesson 1: From the Calculator to the Computer
Basic programming concepts, such as values and expressions, and making decisions for implementing algorithms and developing programs.
Lesson 2: State Transformation
Introduction of state transformation, including representation of data and programs as well as conditional repetition.
Lesson 3: Functional Abstraction
Organization of code in a program through methods used to invoke and complete a task and return a result as an answer. The concept of Recursion is also covered in this module.
Lesson 4: Object Encapsulation
Object-oriented programming (OOP) paradigm for complex programs using objects and classes. Also, the concept of inheritance and reusability of code and the importance of simplifying Java programs are covered.
Lesson 5: Packaging
Reusability of code using third-party classes and understanding how to reduce the number of lines of code in a Java program.
COURSE DETAILS:
Instructor: Carlos Delgado Kloos, Carmen Fernandez, Iria Estevez-Ayres and Jorge Blasco
Level: Introductory
Video Lectures: NA
User Review: NA
Price: Free enrollment (Additional $147 for certification)
Conclusion
A significant number of things that people use in their daily lives are connected to Java. Java is ubiquitous due to its existence ranging from data centers, telecom technologies, technical industry, supercomputers to gaming consoles, and even mobile devices and the internet.
Java programming continues to remain one of the leading technologies in the industry today. With such high uses of Java, there is a constant demand for Java developers in the market. Java continues to be the foundation for a lot of technical innovations that have surfaced in the industry.
According to recent salary trends by Indeed, the average salary for a Java developer is $103,392 per year in the United States, along with a $5000 cash bonus every year.
Another salary trend by Glassdoor suggests that the salary range can go as high as $117,000 yearly. The salary range can vary as per the experience, certifications, education, and skills. Therefore, it becomes essential to opt for a certification course for all individuals aiming to have a career as Java developers.
There are numerous top Java developers, and the competition continues to increase in the market. Therefore, all individuals must select a course that offers theoretical knowledge and plenty of exposure to hands-on experience.
The article highlighted some of the top courses to develop the skills to become one of the top-rate Java developers in the industry.
