In Java, the boolean data type denotes a logical quantity with two possible values, indicated by the literals true or false. The primitive type boolean has a corresponding wrapper class called Boolean ...

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 ...

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 ...