Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications ... at least one parameter differs in type. For example, consider the following ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Java's default constructor allows developers to create instances of classes when no other constructors are explicitly defined. The default constructor in Java takes no arguments -- it simply ...