Introduction to Java Programming for Programmers

1 Getting Started
· Introduction
· Writing, Compiling, and Executing Your Hello World Program
· Exercise 1: Creating Your Hello World Program in Java
· Basic Syntax and Naming Conventions
· Printing Out Different Data Types
· Variables and Variable Types
· Exercise 2: Printing Different Types of Data
· Primitive versus Reference Data Types
· Null
· Chars and Strings
· Exercise 3: Declaring Strings
· Doing Some Math
· Exercise 4: Solving a Simple Trigonometry Problem
· Comments Help You to Share Code
· CLI versus GUI
· Exercise 5: Running the Code from the CLI
· Activity 1: Obtaining the Minimum of Two Numbers

2 Learning the Basics
· Introduction
· Controlling the Flow of Your Programs
· Exercise 1: Creating a Basic if Statement
· Comparison Operators
· Exercise 2: Using Java Comparison Operators
· Nested if Statements
· Exercise 3: Implementing a Nested if Statement
· Branching Two Ways with if and else
· Exercise 4: Using if and else Statements
· Using Complex Conditionals
· Exercise 5: Using Logical Operators to Create Complex Conditionals
· Using Arithmetic Operators in an if Condition
· The Ternary Operator
· Exercise 6: Using the Ternary Operator
· Equality Can Be Tricky
· Exercise 7: Comparing Decimal Values
· Comparing Strings
· Using switch Statements
· Exercise 8: Using switch
· Exercise 9: Allowing Cases to Fall Through
· Using Java 12 Enhanced switch Statements
· Exercise 10: Using Java 12 switch Statements
· Looping and Performing Repetitive Tasks
· Looping with the for Loop
· Exercise 11: Using a Classic for Loop
· Exercise 12: Using an Enhanced for Loop
· Jumping Out of Loops with Break and Continue
· Exercise 13: Using break and continue
· Using the while Loop
· Exercise 14: Using a while Loop
· Using the do-while Loop
· Handling Command-Line Arguments
· Exercise 15: Testing Command-Line Arguments
· Converting Command-Line Arguments
· Exercise 16: Converting String to Integers and Doubles
· Diving Deeper into Variables — Immutability
· Comparing Final and Immutable
· Using Static Values
· Using Local Variable Type Inference
· Activity 1: Taking Input and Comparing Ranges

3 Object-Oriented Programming
· Introduction
· The Anatomy of a Class
· Working with Objects in Java
· Checking the Precedence of a Class with instanceof
· Exercise 1: Creating the WordTool Class
· Activity 1: Adding the Frequency-of-Symbol Calculation to WordToo
· Inheritance in Java
· Overriding and Hiding Methods
· Avoiding Overriding: Final Classes and Methods
· Overloading Methods and Constructors
· Recursion
· Annotations
· Interfaces
· Inner Classes
· Documenting with JavaDoc
· Activity 2: Adding Documentation to WordTool

4 Collections, Lists and Java's Built-In APIs
· Introduction
· Arrays
· Activity 1: Searching for Multiple Occurrences in an Array
· Sets
· Lists
· Exercise 1: Creating the AnalyzeInputApplication
· Maps
· Iterating through Collections
· Exercise 2: Bringing Analytics into the AnalyzeInput Application
· Sorting Collections
· Exercise 3: Sort the Results from the AnalyzeInput Application
· Properties
· Activity 2: Iterating through Large Lists

5 Exceptions
· Introduction
· A Simple Exception Example
· NullPointerException – Have No Fear
· Catching Exceptions
· Exercise 1: Logging Exceptions
· Throws and Throw
· Exercise 2: Breaking the Law (and Fixing It)
· The finally Block
· Activity 1: Designing an Exception Class LoggingData
· Best Practices for Handling Exceptions
· Where Do Exceptions Come from?
· Summary
6 Libraries, Packages, and Modules
· Introduction
· Organizing Code into Packages
· Importing Classes
· Exercise 1: Importing Classes
· Fully Qualified Class Names
· Importing All Classes in a Package
· Dealing with Duplicated Names
· Static Imports
· Creating a Package
· Naming Your Package
· Directories and Packages
· Exercise 2: Creating a Package for a Fitness Tracking App
· Building JAR Files
· Exercise 3: Building a JAR File
· Defining the Manifest
· Exercise 4: Building an Executable JAR File
· Build Tools
· Maven
· Exercise 5: Creating a Maven Project
· Exercise 6: Adding Java Sources to the Maven Project
· Exercise 7: Building the Maven Project
· Exercise 8: Creating an Executable JAR with Maven
· Using Gradle
· Exercise 9: Creating a Gradle Project
· Exercise 10: Building an Executable JAR with Gradle
· Using Third-Party Libraries
· Finding the Libraries
· Adding a Project Dependency
· Exercise 11: Adding a Third-Party Library Dependency
· Using the Apache Commons Lang Library
· Exercise 8: Creating an Executable JAR with Maven
· Using Gradle
· Exercise 9: Creating a Gradle Project
· Exercise 10: Building an Executable JAR with Gradle
· Using Third-Party Libraries
· Finding the Libraries
· Adding a Project Dependency
· Exercise 11: Adding a Third-Party Library Dependency
· Using the Apache Commons Lang Library Library
· Using Modules
· Creating Modules
· Exercise 13: Creating a Project for a Module
· Exercise 14: Creating a Second Module Using the First One
· Activity 1: Tracking Summer High Temperatures

7 Sockets, Files, and Streams
· Introduction
· Listing Files and Directories
· Separating Directories from Files
· Exercise 1: Listing theContents of Subdirectories
· Creating and Writing to a File
· Activity 1: Writing the Directory Structure to a File
· Reading an Existing File
· Reading a Properties File
· Exercise 2: Creating a Properties File from the CLI
· What are Streams?
· The Different Streams of the Java Language
· What are Sockets?
· Creating a SocketServer
· Writing Data on and Reading Data from aSocket
· Activity 2: Improving the EchoServer and EchoClient Programs
· Blocking and Non-Blocking Calls