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Java Fundamentals
7 Units
35 Lessons
Unit 1
Basics
Introduction to Java and Its History
Setting Up Your Java Development Environment
Understanding Java Comments and Code Structure
Real-World Project: Creating a Simple Greeting Application
Basic Java Syntax and Hello World Program
Unit 2
Variables and Data Types
Exploring Primitive Data Types
Working with Reference Data Types and Strings
Type Casting and Conversion Techniques
Declaring and Initializing Variables in Java
Real-World Project: Building a Basic Calculator Tool
Unit 3
Control Flow
Conditional Statements with If-Else
For and While Loops for Repetition
Nested Loops and Conditional Combinations
Switch Statements for Multiple Choices
Real-World Project: Developing a Number Guessing Game
Unit 4
Methods
Defining and Calling Methods
Passing Parameters and Arguments
Return Types and Method Overloading
Scope and Lifetime of Variables in Methods
Real-World Project: Implementing a Utility Method Library
Unit 5
Classes and Objects
Creating and Using Classes
Understanding Objects and Instantiation
Constructors and Their Role
Real-World Project: Designing a Basic Inventory Management System
Access Modifiers for Class Members
Unit 6
Inheritance and Polymorphism
Real-World Project: Building a Shape Hierarchy Application
Understanding Polymorphism and Dynamic Binding
Abstract Classes and Interfaces
Overriding Methods and Super Keyword
Implementing Inheritance in Java
Unit 7
Exception Handling
Creating Custom Exception Classes
Real-World Project: Error-Handling in a File Reader Application
Basics of Exceptions and Error Types
Using Try-Catch and Finally Blocks
Throwing and Propagating Exceptions
Unit 6
•
Chapter 1
Real-World Project: Building a Shape Hierarchy Application
Summary
No summary available for this chapter.
Concept Check
0/5
In a Shape Hierarchy, what keyword allows Circle to inherit from Shape?
The includes keyword.
The inherits keyword.
The implements keyword.
The extends keyword is used.
How does a subclass in Shape Hierarchy access superclass attributes?
Using import statements.
Via static methods only.
By direct copying of code.
Through inheritance from superclass.
What is overridden in a Shape subclass like Rectangle?
Nothing, creates new methods.
Methods from the Shape superclass.
Attributes only.
Constructors exclusively.
In Shape Hierarchy, what do subclasses gain from superclass?
Nothing at all.
Only variables.
Attributes and methods inherited.
Just functions.
Why use inheritance in Building a Shape Hierarchy Application?
To increase memory usage.
For decorative purposes.
For faster execution.
To reuse code and promote hierarchy.
5 questions remaining
Next
Understanding Polymorphism and Dynamic Binding