In computing and computer programming , exception handling is the process of responding to the occurrence of exceptions — anomalous or exceptional conditions requiring special processing - during the execution of a program. In general, an exception breaks the normal flow of execution and executes a pre-registered exception handler ; the details of how this is done depend on whether it is a hardware or software exception and how the software exception is implemented. It is provided by specialized programming language constructs, hardware mechanisms like interrupts , or operating system OS inter-process communication IPC facilities like signals. Some exceptions, especially hardware ones, may be handled so gracefully that execution can resume where it was interrupted.
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Return to Book Page. Java Exception Handling by Jakob Jenkov. Based on Java 7. Exception handling is an aspect of Java development that has not received as much attention as it deserves. If you do not have exception handling under control, you risk that your application or data ends up in an unhealthy state, which can have serious consequences. Therefore, knowing how to implement proper exception handling is a must for every Java deve Based on Java 7.
Therefore, knowing how to implement proper exception handling is a must for every Java developer. This book is a good step on the road to learning that, although any developer should keep learning more throughout their whole career.
I have tried to make this book as concise as possible. However, some explanations are maybe longer than what a developer with 10 years of experience needs, in order to make sure that developers with 2 years of experience understand them. Having said that, all suggestions for improvement are appreciated. My email address is in the book. This book contains 4 parts. Part 1 describes the basic exception handling mechanisms provided by the Java language.
Part 2 lists the requirements for exception handling at the application level. Part 3 explores how to implement exception handling in applications to meet the requirements set forth in part 2. Part 4 goes into more detail about what diagnostic information your applications should gather and include when throwing and logging exceptions.
The book is intended for Java developers with 2 or more years of experience in Java development. It is not a beginner book. Get A Copy. Kindle Edition , pages. More Details Friend Reviews. To see what your friends thought of this book, please sign up. To ask other readers questions about Java Exception Handling , please sign up. Be the first to ask a question about Java Exception Handling. Lists with This Book.
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Jul 03, Amit Sahoo rated it it was ok Shelves: java-enthusiast. This book explains the template design pattern on exceptions and resource handling use cases to the required details. An entire book on exception handing is really exciting. It is a must read for beginners and intermediate level.
The thoretical explanations could have been more concise and less repititive. I would have liked the book to expound more on logging levels which is closely related to exception handling. I would urge the writter to come up with the sequel on exception handling in OSGI ,JAX This book explains the template design pattern on exceptions and resource handling use cases to the required details. Oct 04, Zbyszek Sokolowski rated it it was ok Shelves: java , programing , technical.
If this book had 30 pages I would say great booklet, but in over pages I have found a lot of fluff. Some information is quite useful most are authors views on how logging or exeption should be implemented in too verbose way. For instance, if your method does not declare that it throws exceptions of the caught type. This could be the case if your method is an implementation of an interface met If this book had 30 pages I would say great booklet, but in over pages I have found a lot of fluff.
This could be the case if your method is an implementation of an interface method that does not declare that exception. You should not use the Throwable class directly if you can avoid it. Below the Throwable class are the classes Exception and Error. The Error class is used when errors occur that are caused by conditions which the application has no control over.
You should also avoid using the Error class. The exception caught and rethrown in this example now contains the stack trace of where it was rethrown, instead of where it was originally created.
That makes methods towards the top of the call stack declare lots of different exceptions. Or, alternatively to just declare that they throw Exception, which defeats the purpose of declaring what exceptions a method throws. May 15, Wangyiran rated it liked it. Adam Lukacs rated it it was amazing Apr 16, Rahul Shrivastva rated it really liked it Jun 06, Kevin rated it liked it Jan 21, Emilio rated it really liked it Mar 12, Raphael Villela rated it it was ok Mar 17, Steven rated it really liked it Aug 14, Kelly Ewing rated it really liked it Oct 14, Mohamed Ali rated it liked it Apr 29, Alex rated it did not like it Sep 06, Kramchaninoff Paul rated it it was amazing Oct 22, Herme Garcia rated it did not like it Aug 26, Avinash Dubey rated it liked it Mar 17, Jason rated it liked it May 04, Mashintsev rated it it was amazing Jan 30, David Murillo Matallana rated it really liked it May 07, Sergio Fernando Del Castillo rated it really liked it Dec 17, Jean-olivier rated it really liked it Oct 06, Naveen Gayar rated it it was amazing Oct 27, Amit Dhuper marked it as to-read Nov 28, Greg Kang marked it as to-read Feb 05, Alan Buckeridge is currently reading it Mar 08, Natasha marked it as to-read Apr 01, Edwin added it Jul 07, Debbie Nichols marked it as to-read Jul 16, Devesh Jena marked it as to-read Jul 31, Vinod Kumar marked it as to-read Sep 06, Vijayakumar marked it as to-read Oct 29, Igor Rafikov marked it as to-read Nov 10, Sung Kim marked it as to-read Dec 24, Kalyan7 added it Jan 08, Stephen Davis marked it as to-read Jan 10, Raul marked it as to-read Jan 16, Dheeresh added it Jan 29,
Java Exception Handling
Jakob Jenkov Last update: In Java there are basically two types of exceptions: Checked exceptions and unchecked exceptions. C only has unchecked exceptions. The differences between checked and unchecked exceptions are:. There are many arguments for and against both checked and unchecked, and whether to use checked exceptions at all.
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