The default constructor in Java takes no arguments -- it simply initializes reference types to null and primitive types to the binary equivalent of zero. That means instance variables are assigned as ...

Every class a Java developer creates needs a constructor. Constructors perform numerous important functions, including the following: Copy constructors. Parameterized constructors. No-args ...

Copying objects is a common Java ... deep copy techniques. When making a copy of an object, it is important to avoid using the same object reference. It’s an easy mistake, as this example ...