Programming Step by Step

This is quite easy to do, just define a sub class of Exception/Error class. Your sub-classes do not need to actually implement anything. It...

finally creates a block of code that will be executed after a try/catch block has completed and before the code following the try/catch blo...

Example: Normally built-in exceptions are thrown by the JVM but user can also create and throw any exception although this is normally not ...

Example: This program also handles the Checked Exceptions. The following program takes names of two files as input and copies the file spec...

Example: This example demonstrates the action taken by the default error/exception handler when an exception/error occurs and is not handl...

It is possible for your program to throw an exception/error explicitly, using the throw statement. The general form of throw is shown here:...

If a method is capable of causing an exception that it does not handle, it must specify this behavior so that callers of the method can gua...

Exceptions can be categorized in two types: Unchecked Exception Checked Exception Checked Exception If it is must to check an excepti...

Java exception/error handling is managed via five keywords: try, catch, throw, throws, and finally. The general form of an exception-handli...

Exceptions/Errors are also objects in Java. Root class of all exception/error classes is the Throwable class, which is an immediate sub-c...

An exception/error is an abnormal condition that breaks/disrupts the normal program flow. The abnormal condition occurs at run-time i.e. du...