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 ...

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 ...

As you can see, it can make sense to perform constructor overloading even in a simple Java class that that has only two properties. For more complex classes, it's not uncommon to have five or more ...