Exception Handling in Java | Checked vs Unchecked Exceptions Explained | Core Java Full Course

Welcome to Session 19 of our Core Java tutorial series! In this video, we explore Errors and Exception Handling in Java, a critical skill for building robust and error-resilient applications. Here's what you'll learn:

✔️ Types of Errors:
- Syntax Errors: Detected at compile-time.
- Logical Errors: Detected at runtime.

✔️ What is an Exception?
- An event that disrupts the normal flow of a program and causes abrupt termination.

✔️ Types of Exceptions:
1️⃣ Checked Exceptions:
- Occur at compile-time.
- Examples: InterruptedException, FileNotFoundException, IOException.

2️⃣ Unchecked Exceptions:
- Occur at runtime.
- Examples: ArithmeticException, NullPointerException, ArrayIndexOutOfBoundsException.

✔️ Exception Handling in Java:
- try-catch block: Handle exceptions with specific logic
- finally block: Ensures cleanup activities like closing files and releasing resources are executed regardless of exception occurrence.

✔️ Scenarios for finally Block Execution:
Case 1: Exception occurred and handled → finally block executes.
Case 2: Exception occurred but not handled → finally block executes.
Case 3: No exception occurred → finally block executes.

By the end of this video, you’ll have a strong understanding of Java’s exception handling mechanisms and know how to write error-resilient code effectively.

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