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

For example, say you have a non-nested class (also known as a top-level class) that stores objects in a resizable array, followed by an iterator class that returns each object.

Class – Everything in Java is associated with classes and objects. Being a user-defined blueprint, a class in simple terms represents the data structure which is used again and again.

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 ...