InfoWorld

Java Tip 134: When catching exceptions, don’t cast your net too wide

Java’s compile-time checking does a pretty good job of keeping exceptions safely caged—you can’t call a method that throws a checked exception without catching the exception or declaring that your own ...
TechRepublic

Take advantage of exception chaining in Java 1.4

Take advantage of exception chaining in Java 1.4 Your email has been sent Additions to Java 1.4 enable an easier way to chain exceptions. Find out how java.lang ...
TheServerSide

Fix these 10 common examples of the RuntimeException in Java

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 ...
TheServerSide

What are checked vs. unchecked exceptions in Java?

Some exceptions in Java must be handled in the developer's code. Other exceptions can occur without any exception handling semantics at all. When an exception must be handled with try-and-catch ...
InfoWorld

Java Tip 113: Identify subclasses at runtime

You can write a simple generic launcher in the following way: public class Launcher{ public static void main(String[] args){ if (args.length>0) { try { Command ...