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Java Fundamentals

5 Units21 Lessons
Unit 1

Basics

Introduction to Java Syntax and Hello World Program
Understanding Variables and Data Types in Java
Basic Operators in Java
Real-World Project: Building a Simple Calculator in Java
Input and Output Operations in Java
Unit 2

Control Structures and Loops

Real-World Project: Creating a Number Guessing Game with Loops
Implementing For and While Loops in Java
Using If-Else and Switch Statements in Java
Unit 3

Methods and Functions

Defining and Calling Methods in Java
Working with Parameters and Return Types in Java Methods
Method Overloading in Java
Real-World Project: Developing a String Utility Methods Library
Unit 4

Object-Oriented Programming

Creating Classes and Objects in Java
Inheritance and Polymorphism in Java
Encapsulation and Abstraction in Java
Using Interfaces and Abstract Classes in Java
Real-World Project: Designing a Basic Inventory Management System
Unit 5

Exception Handling and File I/O

Handling Exceptions with Try-Catch in Java
Creating and Using Custom Exceptions in Java
Reading and Writing Files in Java
Real-World Project: Building a Simple Text File Processor
Unit 3•Chapter 2

Working with Parameters and Return Types in Java Methods

Summary

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Concept Check

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What is method overloading in Java based on?

How are objects passed to methods in Java?

Can a method have varying return types in overloads?

What is a covariant return type in Java?

How do varargs parameters work in methods?

What is passed when an object is passed to a Java method?

Can methods with same name and parameters differ only in return type?

What happens if a method returns a subclass object?

How are varargs parameters handled in Java methods?

What is true about final parameters in methods?

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