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Published February 28th, 2017 by

Do You Use Exceptions in Java? If Yes, Read Without Fail

Java is designed to make every developer’s life easy and therefore, a lot of features are more pro-developer than pro-application that is being developed. This does not mean that applications being developed in Java lack anything, it just means that the features that are meant to help end up being misused without any reasonable benefit. This is mostly because we understand exceptions differently than what they are actually supposed to be.

Exceptions

In Java, exception refers to a state where an application terminates or act abnormally because of some error. These errors need to be handled to make the application work without disruption. You can hire professionals to handle such errors or rectify them yourself if you are familiar with Java. One possible choice can be to hire Java developers. The Indian Java developers offer cost-effective services in exception handling.

Java exceptions are broadly classified as Checked and Unchecked. The ones that fall under the Error and RuntimeException are unchecked exceptions and all others are checked exceptions.

Exceptions for Unreal Errors

I agree that the subheading was a little dramatic and there is possibly nothing like unreal errors. Exceptions are exceptions, but it is true that we use it in situations that do not really demand an exception. For example, errors that are bound to show up are often treated as exceptions while this is not required. A possible explanation is to think about errors that crop up as a result of user inputs like trying to insert text in a field that requires numbers.

Exceptions for Real Errors

The real exceptions require you to make use of codes to curb errors that are resulting because of bigger issues. Like the OutOfMemoryError is thrown to indicate space crunch in the Java heap or NullPointerException indicates the use of null at a place where an object is required. In these cases, an action is required to take care of the error. The application would not function or probably terminate abruptly if these errors are not taken care of.

Mistakes to Be Avoided

Understanding errors that need handling or the ones that can be tackled with logic is important. A professional developer would know the difference between the two and can make the right decision. Here are a few common mistakes that Java developers make along with the way to avoid these mistakes:

  •  Handling errors while working with DB Library can be a tricky situation because it throws generic errors which are difficult to track. Therefore, a good way of ensuring that your work on DB Library is foolproof is to use a base exception which will make it easy for you to track the errors and take necessary actions to rectify them.
  •  Limit the use of checked exceptions where they are not required. As a team member, you might be required to work on an application with a lot of exceptions and this can cause a lot of unwanted work. But, the bottom line is that doing this can save a lot of error handling in the future. If you are going to be the sole manager, then it would be a good practice to not waste time on including exceptions that are not adding to anything.

It is believed that exceptions are probably the most overused Java feature and therefore, there are many Software that can take care of evaluating your code and finding out what needs to be fixed. A popular option that comes to my mind right away is OverOps, but, I am sure there are many more that can work for you.

If you are still unsure about how exceptions can really weigh down your application, look for java developers in India to take care of exception and error handling along with rectification of what has been done wrong from scratch. Share your best practices and opinions on exception handling in Java.

joseph-macwan

Technical writer at Aegis softwares
Joseph Macwan technical writer with a keen interest in business, technology and marketing topics. I am writing on various topics Java, Big Data and Asp.Net with solution and code.

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