Java Essential Training: Syntax and Structure

Topics include:

• Reviewing the principles and components of Java
• Choosing a development environment
• Testing simple Java code in JShell
• Creating a project in IntelliJ IDEA
• Working with primitive variables
• Working with Boolean and character values
• Working with String values
• Managing program flow
• Creating reusable code with methods

 

Introduction

Welcome

What you should know

How to use the exercise files

 

1. What Is Java?

The history of Java

Principles and components of Java

Java syntax and compilation

Memory management and garbage collection

Choosing a development environment

 

 

2. Get Started

Install Java on Windows

Add Java to the system PATH on Windows

Install Java on OS X

Test simple Java code in JShell

Install and configure IntelliJ IDEA

Create a project in IntelliJ IDEA

Pass arguments to a console application

Take a tour of IntelliJ IDEA

Use the Java API documentation

 

 

3. Work with Variables

Work with primitive variables

Declare and modify primitive values

Store currency values with BigDecimal

Convert values between numeric types

Math operators and the Math class

Work with boolean values

Work with character values

More about Java operators

 

 

4. Work with String Values

Declare and initialize String objects

Create and concatenate String values

Convert primitive values to strings

Build a String from multiple values

Compare String values with methods

Format numeric values as strings

Parse String values

Challenge: A simple calculator

Solution: A simple calculator

 

 

5. Manage Program Flow

Evaluate conditions with if-else

Evaluate conditions with switch-case

Create looping code blocks

Create reusable code with methods

Create overloaded methods

Pass arguments by reference vs. value

Challenge: A more complex calculator

Solution: A more complex calculator

 

Conclusion

Next steps