Here are the 10 most commonly encountered Java compile errors, along with the fixes that will get your code working in no time. Fix the 5 most common types of runtime errors in Java The key to ...

How to add multiple values per key to a Java HashMap. It seems like an oversight for the standard Java API not to have a collection class that allows a key to have multiple values. If this is an ...

In Java 1.3, Sun introduced the Dynamic Proxy API, which can basically mimic any interface. Add that to an abstract data model, and you can conform any loosely typed data to a strongly typed ...