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Table of Contents

Install Java

To start programming in Java, you need to install the Java Development Kit (JDK) and/or the Java Runtime Environment (JRE) on your computer. In this category, you will learn how to install Java on Windows, macOS, and Linux, choose the appropriate Java version for your project, and understand the difference between OpenJDK and Oracle JDK.
How do you install Java on Windows?
How do you install Java on macOS?
How do you install Java on Linux?
What is the difference between OpenJDK and Oracle JDK?
How do you choose the appropriate Java version for your project?
What is the Java Development Kit (JDK) and how do you install it?
What is the Java Runtime Environment (JRE) and how do you install it?

Object-Oriented Programming in Java

Object-oriented programming is a key paradigm in Java programming language. In this category, you will learn how to use classes, inheritance, polymorphism, abstract classes, interfaces, and encapsulation to write efficient and reusable code.

What is object-oriented programming and why is it important?
What is a class in Java and how do you create one?
What is inheritance in Java and how do you use it?
What is polymorphism in Java and how do you use it?
What is an abstract class in Java and how do you use it?
What is an interface in Java and how do you use one?
What is encapsulation in Java and how do you use it?

Java Development

To develop Java applications, you need the right tools and environment. In this category, you will learn how to set up your development environment, write and run your first Java program, debug your code, use version control, and generate documentation using Javadoc.

What tools do you need to develop Java applications?
How do you set up your development environment for Java?
What is an IDE and which ones are popular for Java development?
How do you write and run your first Java program?
What is debugging and how do you debug a Java program?
How do you use version control with Java?
What is Javadoc and how do you use it?

Java Libraries and Frameworks

Functions are an essential part of programming with Python. They allow you to break down complex tasks into smaller, more manageable pieces of code. In this section, you’ll learn about the various types of functions in Python, including lambda functions, user-defined functions, recursion, and decorators. You’ll also learn about the built-in functions in Python and how to use them effectively.

What are Java libraries and why are they important?
What are some popular Java libraries and how do you use them?
What is Spring Framework and how do you use it?
What is Hibernate and how do you use it?
What is Log4j and how do you use it?
What is Apache Commons and how do you use it?
What is Jackson and how do you use it?

Java Web Development

Web development is an essential skill for Java developers. In this category, you will learn about different web technologies used in Java, such as Servlet, JSP, JSF, Spring MVC, and RESTful web services, and how to build web applications using them.

What is Java web development and why is it important?
What are the different web technologies used in Java?
What is Servlet and how do you use it?
What is JSP and how do you use it?
What is JSF and how do you use it?
What is Spring MVC and how do you use it?
What is RESTful web services and how do you implement them in Java?

Java Testing

Testing is crucial to ensure the quality of your Java code. In this category, you will learn about different types of testing, such as unit testing, mocking, functional testing, and behavior-driven development, and how to use popular testing frameworks like JUnit, Mockito, Selenium, and Cucumber.

What is testing in Java and why is it important?
What are the different types of testing in Java?
What is JUnit and how do you use it for unit testing?
What is Mockito and how do you use it for mocking in unit testing?
What is Selenium and how do you use it for functional testing?
What is Cucumber and how do you use it for behavior-driven development?
What is TestNG and how does it differ from JUnit?

Java Performance Optimization

To write efficient and scalable Java applications, you need to optimize their performance. In this category, you will learn about profiling, garbage collection, just-in-time compilation (JIT), and best practices for writing high-performance Java code.

What is performance optimization in Java and why is it important?
What are some common performance bottlenecks in Java applications?
What is profiling and how do you use it to identify performance issues?
What are some best practices for writing high-performance Java code?
What is garbage collection in Java and how does it affect performance?
What is just-in-time compilation (JIT) and how does it improve performance?
What is the difference between microbenchmarks and macrobenchmarks?

Java Security

Security is an essential aspect of Java programming. In this category, you will learn about common security threats to Java applications, how to implement authentication and authorization, use encryption to protect sensitive data, follow OWASP guidelines, and use SSL/TLS to secure network communication.

What is security in Java and why is it important?
What are some common security threats to Java applications?
What is authentication and how do you implement it in Java?
What is authorization and how do you implement it in Java?
What is encryption and how do you use it to protect sensitive data?
What is OWASP and how do you use its guidelines to secure Java applications?
What is SSL/TLS and how do you use it to secure network communication?

Java Career

Java is a popular programming language with many job opportunities. In this category, you will learn about job prospects for Java developers, different career paths, common interview questions, tips for building a strong resume, popular job sites, online resources, and events and conferences to network and learn.

What are the job prospects for Java developers?
What are the different career paths for Java developers?
What are some common interview questions for Java developers?
What are some tips for building a strong Java developer resume?
What are some popular job sites for Java developers?
What are some online resources for learning Java and advancing your career?
What are some Java-related events and conferences you can attend to network and learn?

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