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That's why most Java classes provide non-default constructors, also known as parameterized constructors. For example, we might want the calling program to tell us if the car is a stick shift or not.
A constructor in Java is a special method that is called when an object of a class is instantiated. Constructors are used to initialize the object's state and have the following characteristics: They ...
How constructors work is very crucial for every Java programmer because those constructors make the object-oriented programming system in Java run. In this guide on constructors in Java, we will get ...
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 ...
I have blogged on this approach previously in posts Too Many Parameters in Java Methods, Part 3: Builder Pattern and NetBeans 7.2: Refactoring Parameterized Constructor As Builder.
As outlined in Item #2 of the Second Edition of Effective Java, there are several disadvantages to using constructors with large parameter lists. To help illustrate, I include a code listing below ...