Have you ever wanted to learn a programming language? Or do you have great ideas for apps but learning a programming language always seemed a daunting task? What if I tell you that it doesn't have to be that way? Java programming is used for many day-to-day applications and is one of the simplest programming languages to learn. You can get the basics down in only one week! This could be the start of a new adventure that can change your life. Knowing how to program Java can allow you to create everything that you always wanted to do. Your programming journey starts now! In this book you will learn The basics of Java programming How to write programs What object-oriented languages are Why Java is the right programming language for you All the jargon you need in simple explanations How to apply Java programming in real-life situations Everything you need to get a Java basic certification Introduction Chapter 1: Why Java? Object-Oriented Programming Execution in Multiple Operating Systems Automatic Memory Management Community Support Great Application Programming Interfaces The Documentation Support Security Multi-Thread Key Concepts Differences Between Classes and Objects Main () Method Comment Class Compiler Java Install On Windows On Macintosh Let’s Try It Out Chapter 2: Variables Declaring Variables Displaying Variables Data Types Integer Types Byte Short Ints Long Floating Point Types Float Doubles Scientific Numbers Booleans Char Non-Primitive Data Types String Static Checking Naming Type Casting Manipulating Variables: Operators Manipulating Variables: Addition and Subtraction Manipulating Variables: Multiplication and Division Manipulating Variables: Modulo Manipulating Variables: Compound Assignment Operators Manipulating Variables: Order of Operations Manipulation Variables: Greater Than and Less Than Manipulating Variables: Equals and Not Equals Manipulating Variables: Greater/ Less Than or Equal To Manipulating Variables: .equals() (very similar content to equals() in string methods) Manipulating Variables: String Concatenation Manipulating Variables: final Keyword Types of Variables Class Variables Local Variables Instance Variables Chapter 3: String Methods toString() method length() concat() equals() & .compareTo() indexOf() charAt() substring() toUpperCase() & toLowerCase() Chapter 4: Arrays Creating an Array Empty Arrays String[] args ArrayList Chapter 5: Operators Recap Methods Conditional Operators Conditional—And: && Logical Not: ! How Do We Combine Conditional Operators Chapter 6: Statements Conditional Statements The If Statement The Else Statement The Else If Statement The Switch Statements Chapter 7: Classes Creating a Class Creating an Object Multiple Classes Syntax Constructors Instance Fields Constructor Parameters Assigning Values to Instance Fields Multiple Fields Methods Parameters and Arguments Multiple Parameters Method Overloading Java Math Math.max() Math.min() Math.sqrt() Math.abs() Math.random() Java Packages & API Built-in Packages User-Defined/Third-Party Packages Abstract Classes and Methods Java Enums Java User Input Java Dates Java HashMap Java HashSet Java Wrapper Classes Java Regular Expressions Chapter 8: Static Methods and Static Variables Recap Methods Static Variables Modifying Static Variables Writing Your Static Methods Chapter 9: Inheritance and Polymorphism Chapter 10: Loops While Loops Do/ While Loops Counter Variables For Loops Looping Over ArrayLists and Arrays For-Each Loops Chapter 11: Access and Scope Access public Keyword private Keyword Scope this Keyword Chapter 12: Debugging Syntax Errors Run-Time Errors Logic Errors Debugging Techniques Print Statement Method Dividing Your Program Chapter 13: Java Files File Management Create a File Writing a File Reading a File Deleting a File Chapter 14: FAQ Conclusion References In this book, we will cover everything that is necessary for you to write Java code and become proficient in only one week. Although you might be able to get the basics covered, it is important that you continue to practice to become better at it and more fluent.Also, note that some of the concepts presented in this book might look daunting, but we can try to break it down into smaller bits of information to help you understand the different concepts. At the end of the day, everything comes down to logic and practice. The more you practice the better you will get.
