Failure occurs when a Java program’s normal behavior is interrupted by unexpected behavior. This divergence is known as an exception. For example, a program tries to open a file to read its ...

See also: NullPointerException in Java – Explaining the Billion Dollar Mistake A good example would be the FileNotFoundException. This does exactly what it says on the tin: this exception is ...

Runtime errors occur when something goes wrong in the normal execution of a program. When severe enough, these errors abruptly terminate an application. To help programmers both anticipate and recover ...

A checked exception in Java represents a predictable, erroneous situation that can occur even if a software library is used as intended. For example, if a developer tries to access a file, the Java IO ...

package dustin.examples; /** * Resource that throws exceptions both in its use and its closure and is only * intended for use in demonstrating Java 7's suppressed exceptions APIs. This * is not a ...

An example is String ... The reason that null pointer exceptions are so unpopular in Java is that they are runtime exceptions. That means the app will compile just fine and you’ll only hear ...

The basic mechanism in Java for handling these exception objects is the try/catch block. Consider a simple example. The program example above tries to open a text file, read in the text, and print ...

Exceptions are the customary way in Java to indicate to a calling method that an abnormal condition has occurred. This article discusses two techniques to use when working with exceptions ...