The drawback to Java's default constructor is that its initializations are fairly meaningless: Reference types are initialized to null. Primitive number types are initialized to 0. Primitive boolean ...

However, to perform any meaningful operations with the data a class contains, the properties must be initialized to meaningful values. Initializing the properties of a class is the job of a Java ...

Classes, fields, methods, constructors ... seven advanced techniques for Java programming with fields and methods, including recursion, method chaining, pass-by-value arguments, and rules for ...