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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 7
•
Chapter 5
Throwing and Propagating Exceptions
Summary
No summary available for this chapter.
Concept Check
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What happens to an uncaught exception in a method?
It is ignored by the program
It is caught in the same method
It propagates up the call stack
It terminates the entire application
How does an exception propagate in Java if not caught?
Automatically to main method
It stays in the current method
Down to sub-methods only
Up the method call stack
What is the result of throwing an exception without try-catch?
Finally block runs indefinitely
Code continues executing
Exception is handled silently
Program terminates abruptly
In exception handling, what does propagation mean?
Exception is duplicated
Exception is logged only
Exception moves to caller methods
Exception is resolved immediately
Can an exception be thrown from a finally block?
Yes, and it may override original
No, finally blocks prevent throws
Only for checked exceptions
It always propagates upward
5 questions remaining
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Using Try-Catch and Finally Blocks