OCA Java SE 8 Programmer I Exam Guide (Exams 1Z0-808)

CONTENTS

Acknowledgments

Preface

Introduction

1 Declarations and Access Control

Java Refresher

Features and Benefits of Java (OCA Objective 1.5)

Identifiers and Keywords (OCA Objectives 1.2 and 2.1)

Legal Identifiers

Oracle’s Java Code Conventions

Define Classes (OCA Objectives 1.2, 1.3, 1.4, 6.4, and 7.5)

Source File Declaration Rules

Using the javac and java Commands

Using public static void main(String[ ] args)

Import Statements and the Java API

Static Import Statements

Class Declarations and Modifiers

Exercise 1-1: Creating an Abstract Superclass and Concrete Subclass

Use Interfaces (OCA Objective 7.5)

Declaring an Interface

Declaring Interface Constants

Declaring default Interface Methods

Declaring static Interface Methods

Declare Class ...