February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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Section 11.5 Java Exception Hierarchy
• All Java exception classes inherit directly or indirectly from class Exception.
• Programmers can extend the Java exception hierarchy with their own exception classes.
• Class Throwable is the superclass of class Exception and is therefore also the superclass of all exceptions. Only Throwable objects can be used with the exception-handling mechanism.
• Class Throwable (p. 451) has two subclasses: Exception and Error.
• Class Exception and its subclasses represent problems that could occur in a Java program and be caught by the application.
• Class Error and its subclasses represent problems that could happen in the Java runtime system. Errors happen infrequently and typically should not be caught by an ...
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