Learning Java

Get started in Java programming. This course shows beginners how to write Java code and build simple Java applications.

Introduction

• Welcome to learning Java
• What you should know
• Using the exercise files

1. Getting Started with Java

• What is Java?
• Downloading Java on your computer
• Exploring the command line
• Your first Java program
• Hello World in the command line
• Exploring an integrated development environment (IDE)
• Hello World in an IDE

2. Building Strong Foundations

• Primitive data types
• Data types and variables in Java
• Strings in Java
• Using indexes with strings
• Concatenating strings in Java
• Input and output in Java

3. Control Flow

• Mapping out program control flow
• Operators in Java
• Decision-making with if in Java
• Understanding scope in Java
• While loops (conceptually)
• While loops in Java
• Challenge: Multiple choice
• Sample solution: Multiple choice

4. Debugging in Java

• Debugging syntax and logical errors
• Debugging with an IDE
• Challenge: Find the errors
• Sample solution: Find the errors

5. Functions in Java

• What are functions? (conceptually)
• Defining functions in Java
• Calling functions in Java
• Parameters in Java
• Return types in Java
• Using built-in functions in Java
• Challenge: Salary calculator
• Sample solution: Salary calculator

6. Classes in Java

• Classes in Java
• Constructors in Java
• Creating a class in Java
• Creating instances in Java
• Instance methods vs. class methods
• Using instance methods in Java
• Instance and class variables in Java
• Review: Classes vs. instances
• Challenge: Student profile
• Sample solution: Student profile

Conclusion

• Next steps for learning Java