Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented,[12] and specifically designed to have as few implementation dependencies as possible. Browse through the contents of the program.
| Java Course Contents |
| What Is an Object? |
| What Is a Class? |
| What Is Inheritance? |
| What Is an Interface? |
| What Is a Package? |
| Questions and Exercises: Object-Oriented Programming Concepts |
| Language Basics |
| Variables |
| Primitive Data Types |
| Arrays |
| Summary of Variables |
| Questions and Exercises: Variables |
| Operators |
| Assignment, Arithmetic, and Unary Operators |
| Equality, Relational, and Conditional Operators |
| Bitwise and Bit Shift Operators |
| Summary of Operators |
| Questions and Exercises: Operators |
| Expressions, Statements, and Blocks |
| Questions and Exercises: Expressions, Statements, and Blocks |
| Control Flow Statements |
| The if-then and if-then-else Statements |
| The switch Statement |
| The while and do-while Statements |
| The for Statement |
| Branching Statements |
| Summary of Control Flow Statements |
| Questions and Exercises: Control Flow Statements |
| Classes and Objects |
| Classes |
| Declaring Classes |
| Declaring Member Variables |
| Defining Methods |
| Providing Constructors for Your Classes |
| Passing Information to a Method or a Constructor |
| Objects |
| Creating Objects |
| Using Objects |
| More on Classes |
| Returning a Value from a Method |
| Using the this Keyword |
| Controlling Access to Members of a Class |
| Understanding Class Members |
| Initializing Fields |
| Summary of Creating and Using Classes and Objects |
| Questions and Exercises: Classes |
| Questions and Exercises: Objects |
| Nested Classes |
| Inner Class Example |
| Local Classes |
| Anonymous Classes |
| Lambda Expressions |
| Method References |
| When to Use Nested Classes, Local Classes, Anonymous Classes, and Lambda Expressions |
| Questions and Exercises: Nested Classes |
| Enum Types |
| Questions and Exercises: Enum Types |
| Annotations |
| Annotations Basics |
| Declaring an Annotation Type |
| Predefined Annotation Types |
| Type Annotations and Pluggable Type Systems |
| Repeating Annotations |
| Questions and Exercises: Annotations |
| Interfaces and Inheritance |
| Interfaces |
| Defining an Interface |
| Implementing an Interface |
| Using an Interface as a Type |
| Evolving Interfaces |
| Default Methods |
| Summary of Interfaces |
| Questions and Exercises: Interfaces |
| Inheritance |
| Multiple Inheritance of State, Implementation, and Type |
| Overriding and Hiding Methods |
| Polymorphism |
| Hiding Fields |
| Using the Keyword super |
| Object as a Superclass |
| Writing Final Classes and Methods |
| Abstract Methods and Classes |
| Summary of Inheritance |
| Questions and Exercises: Inheritance |
| Numbers and Strings |
| Numbers |
| The Numbers Classes |
| Formatting Numeric Print Output |
| Beyond Basic Arithmetic |
| Summary of Numbers |
| Questions and Exercises: Numbers |
| Characters |
| Strings |
| Converting Between Numbers and Strings |
| Manipulating Characters in a String |
| Comparing Strings and Portions of Strings |
| The StringBuilder Class |
| Summary of Characters and Strings |
| Autoboxing and Unboxing |
| Questions and Exercises: Characters and Strings |
| Generics (Updated) |
| Why Use Generics? |
| Generic Types |
| Raw Types |
| Generic Methods |
| Bounded Type Parameters |
| Generic Methods and Bounded Type Parameters |
| Generics, Inheritance, and Subtypes |
| Type Inference |
| Wildcards |
| Upper Bounded Wildcards |
| Unbounded Wildcards |
| Lower Bounded Wildcards |
| Wildcards and Subtyping |
| Wildcard Capture and Helper Methods |
| Guidelines for Wildcard Use |
| Type Erasure |
| Erasure of Generic Types |
| Erasure of Generic Methods |
| Effects of Type Erasure and Bridge Methods |
| Non-Reifiable Types |
| Restrictions on Generics |
| Questions and Exercises: Generics |
| Packages |
| Creating and Using Packages |
| Creating a Package |
| Naming a Package |
| Using Package Members |
| Managing Source and Class Files |
| Summary of Creating and Using Packages |
| Questions and Exercises: Creating and Using Packages |
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