Do not confuse the default constructor with the "no-args" constructor. If you write a zero-args constructor yourself, it is not the default constructor -- it replaces the default constructor. Java ...

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 ...

100 100 Parameterized Constructors Most often, you will need a constructor that accepts one or more parameters. Parameters are added to a constructor in the same way that they are added to a method, ...