In this post some of the exception handling best practices in Java are listed. Following these best practices in your Java code will help you in writing robust code. Java Exception handling best practices 1- Don’t ignore exception– Exception handling especially the checked exception gives you a chance to recover…
In Java exception handling there are lots of exception classes that can be used for handling exceptions. Though some times you may not find an appropriate exception class that clearly represents the exception thrown from your code, in such scenario you may choose to create your own custom exception class.…
Java 7 onward a new feature try-with-resources is available for automatic resource management. With this feature, try-with-resources in Java, one or more resources are declared with the try statement itself. The try-with-resources statement ensures that the declared resources are closed automatically at the end. Here resource is an object that…
In this post we’ll see a new feature Multi-Catch exception added in Java 7. Using Multi-catch statement single catch block can handle more than one type of exception. You don’t need to write multiple catch blocks to catch different exceptions where exception handling code is similar. Prior to Multi-Catch exception…
Differences among final, finally and finalize in Java is an important interview question. One reason being, these words sound similar and another is it gives an interviewer a chance to branch out to many other areas. From final you can go on to talk about inheritance or method overriding. From…
Using chained exception in Java you can associate one exception with another. Chained exception helps in the scenario where one exception causes another exception. The exception that will be thrown is the second exception in such scenario but you can set the cause of original exception in the second exception…
In the sub class you can override method of the super class and provide it a different implementation. But, what if that method in super class declares exceptions using throws clause. Does the overridden method in sub class inherit those exception declarations too, can you override those exceptions in the…
In the execution of the method code, if an exception condition occurs, normal flow of the method is disrupted. In order to handle the exceptional condition an exception object is created and thrown. That exception may be handled in the method where that exception is thrown or it may be…
In this post we’ll see some of the differences between checked and unchecked exceptions in Java. Before going into checked exception Vs unchecked exception let’s try to understand which exception classifies as a checked exception and which one as unchecked. Checked exception in Java While writing Java code, for some…
In Java five keywords are used for exception handling namely – try, catch, finally, throw and throws. Out of these five, throw and throws keywords sound quite similar causing confusion thus the question what are the differences between throw and throws in Java exception handling. Throw vs Throws in java…