CourseGenix

Java Fundamentals

7 Units35 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 3•Chapter 2

For and While Loops for Repetition

Summary

Provide a summary under 250 words, omitting sponsors and unrelated topics, without introduction

Concept Check

0/5

What is the output of this while loop: i=0; while(i<3){print(i); i+=1;}

Infinite loop

1 2 3

0 1 2

0 1 2

How to prevent an infinite while loop?

No need for updates

Use for loop always

Ensure condition becomes false

Ensure condition becomes false

Difference in for vs while for known iterations?

While is faster

No real difference

For loop is more concise

For loop is more concise

What happens with break in nested for loop?

Does nothing

Exits all loops

Exits only inner loop

Exits only inner loop

Which loop for unknown repetitions?

For loop only

While loop preferred

While loop preferred

Do-while loop

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