Chapter 7: Exception Handling in Java
Exception handling in Java is essential for managing unexpected events that disrupt a program's flow. Using try-catch-finally constructs, developers can safeguard their applications against runtime errors while providing meaningful feedback to users. Key features include throwing exceptions manually and declaring methods that may trigger exceptions, which collectively enhance code robustness.
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7.10Using Throw To Manually Raise Exception
This section discusses how to manually raise exceptions in Java using the...
What we have learnt
- Exceptions are run-time problems that can break program flow.
- Use try-catch-finally to manage risky code safely.
- Use throw to raise exceptions manually.
- Use throws to declare that a method may throw an exception.
- Java provides many built-in exception types.
Key Concepts
- -- Exception
- An unexpected event occurring during program execution that disrupts the normal flow.
- -- trycatch Block
- A structure used in Java for handling exceptions; the 'try' block contains risky code, while the 'catch' block handles the exceptions.
- -- finally Block
- A block that always executes after try and catch, used to release resources.
- -- throw
- Used to manually raise an exception in Java.
- -- throws
- A declaration that indicates that a method may throw an exception.
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