Chapter 9 - Java for Beginners Course

Welcome to the Course!
- Course Introduction
Chapter 1 - Building Blocks
- Quick introduction to Java
- Variables
- Classes And Objects
- Class Example - Defining a class
- Object Examples - Creating instances
- Java Application Example - Running our first app
- Accessing class members - The dot operator
- Packages - Organizing the code
Chapter 2 - Primitives and Operators
- Primitives
- Arithmetic Operators
- Assignment Operator
- Unary Operators
- Equality and Relational Operators
- Conditional Operators
Chapter 3 - Statements and Control Flow
- Expressions
- Statements
- If-Then Statement
- If-Then-Else Statement
- More If Statements
- Switch Statement
- While and Do-While Statements
- For Statement
- Branching Statements
- Exception Handling
Chapter 4 - First example project
- Example Project - A Simple Vending Machine
- Adding money
- Delivering Items
- Giving Change
Chapter 5 - Classes and Interfaces
- Introduction
- Access Level Modifiers
- Class Declaration - Class, Methods and Fields
- Class Declaration - Constructors
- Inheritance Basics
- Inheritance - Constructors
- Inheritance - Methods and Fields
- Polymorphism
- Abstract Classes and Methods
- Interfaces
- Static Class Members
- Class Composition
- Final Classes and Class Members
- Generic Classes
Chapter 6 - Base Object Behaviors
- Introduction
- Type Comparison
- Type Casting
- Object Equality - The Contract
- Object Equality - Common Pitfalls
- Object String Representation
- Garbage Collection
- Object Comparison
- Primitive Wrappers and Autoboxing
Chapter 7 - Data Structures
- Introduction
- Arrays - Declaration and Creation
- Arrays - Basic Operations
- Core Collection Interfaces
- List and ArrayList - Basic Operations
- ArrayList Internals
- Introduction to Hash Tables
- Map and HashMap - Basic Operations
- Set and HashSet - Basic Operations
Chapter 8 - Anonymous classes and lambdas
- Introduction
- Filtering a List
- Anonymous Classes
- Lambdas
- Built-in Functional Interfaces
Chapter 9 - Streams
- Introduction
- Creating Streams
- Intermediate Operations
- Terminal Operations
Chapter 10 - Console based I/O
- Console Output
- Console Input
Chapter 11 - Exception handling
- Try/Catch/Finally Syntax
- Return statement in try/catch blocks
- Throw and throws
- Multiple catch blocks
Chapter 12 - Second example project
- Example project - Vending machine with a CLI
- Defining our product class
- Defining our product catalog
- Defining our vending machine
- Defining our Command Line Interface (CLI)
- Putting everything together
- Example recap

Introduction

In this chapter we’ll cover Streams, a way to represent sequences of elements and operations that was introduced in Java 8.

In particular:

What is a Stream and how to create them?
Intermediate operations
Terminal operations

Chapter 9 - Java for Beginners Course

Table of Contents

Welcome to the Course!

Chapter 1 - Building Blocks

Chapter 2 - Primitives and Operators

Chapter 3 - Statements and Control Flow

Chapter 4 - First example project

Chapter 5 - Classes and Interfaces

Chapter 6 - Base Object Behaviors

Chapter 7 - Data Structures

Chapter 8 - Anonymous classes and lambdas

Chapter 9 - Streams

Chapter 10 - Console based I/O

Chapter 11 - Exception handling

Chapter 12 - Second example project

Introduction