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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 5
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Chapter 1
Creating and Using Classes
Summary
No summary available for this chapter.
Concept Check
0/5
What is the primary purpose of a class in Java?
Stores global variables only
Serves as a blueprint for objects
Executes program code directly
Serves as a blueprint for objects
How are variables defined inside a class called?
Instance variables
Static variables
Instance variables
Local variables
What can a class in Java contain?
Variables and methods
Only variables
Only methods
Variables and methods
Why should a class represent a single entity?
To avoid messy code
To avoid messy code
For faster execution
To reduce memory use
How do you create a new class in Intellij?
Go to File then New Java Class
Use command line tools
Go to File then New Java Class
Edit existing files only
5 questions remaining
Next
Understanding Objects and Instantiation