Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.

Java stores object values in heap memory; references to the value are stored in the stack. Another way to create strings is to use the new keyword, as in the following example. String s1 = new String( ...

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works.

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

If you need to aggregate content from webpages, consider a Java screen scraper such as JSoup to mine and organize data into categories for easy organization.