Java throw vs throws | Checked vs Unchecked Exceptions in Java | Java Exception Handling Explained
In this video, we cover throw and throws in Java along with a clear explanation of checked and unchecked exceptions.
🚀 What you'll learn:
What are Checked and Unchecked Exceptions in Java?
When and why to use throw and throws
Syntax and real-life examples of throw and throws
Difference between throws and try-catch
Throwing multiple exceptions
How Java handles exceptions in method declarations
💡 Key Concepts Covered:
throw keyword (used to explicitly throw exceptions)
throws keyword (used to declare exceptions)
Handling exceptions using try-catch blocks
Why handling unchecked exceptions is optional
Why checked exceptions must be declared or handled
📂 Code Examples Included:
Throwing an ArithmeticException
Throwing and handling an IOException
Throwing multiple exceptions in a method
00:00 - Introduction to Java Exception Handling
00:42 - Types of Exceptions: Checked vs Unchecked
02:00 - Why we don't usually handle Unchecked Exceptions
02:40 - What is `throws` keyword in Java?
03:15 - Syntax of `throws` keyword
03:45 - Example 1: Using `throws` with IOException
05:00 - Explanation of FileNotFoundException
05:40 - Throwing Multiple Exceptions using `throws`
06:50 - Handling Specific Exceptions in `try-catch`
07:30 - When to use `throws` vs `try-catch-finally`
08:20 - What is `throw` keyword in Java?
08:45 - Syntax of `throw` keyword
09:10 - Example 2: Throwing ArithmeticException using `throw`
10:00 - Example 3: Throwing Checked Exception (IOException)
11:10 - Difference between `throw` and `throws`
11:40 - Summary and Best Practices
12:20 - Outro and Final Tips
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