Aug 17, 2010 11:23:26 PM dustin.examples.MapContainsGet generateStatesMapSEVERE: java.util.concurrent.ConcurrentHashMap does not allow for null values – java.lang ...

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 ...

To build a method, we use a number of statements to define that method. In the previous example: Public – Means that the method is accessible to other classes outside of this one ...