You don’t have to create any Book objects to call class ... An access level is an indicator of who can access a field, method, or constructor. Java supports four access levels: private, public ...

Java is an object-oriented programming language. To create objects and meaningfully initialize them, a developer must use a Java constructor. Constructors are a critical part of software development ...

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 ...