Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

One accepts an Object array and the other accepts a String array. Each returns an array of Class objects, corresponding either to the runtime types of the elements of the Object array, or to the ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.