Java: An Introduction to Problem Solving and Programming, 8th Edition

Chapter Summary

• A constructor is a method that creates and initializes an object of the class when you invoke it using the operator new. A constructor must have the same name as the class.

• A constructor without parameters is called a default constructor. A class that does not define a constructor will be given a default constructor automatically. A class that defines one or more constructors, none of which is a default constructor, will have no default constructor.

• When defining a constructor for a class, you can use this as a name for another constructor in the same class. Any call to this must be the first action taken by the constructor.

• The declaration of a static variable contains the keyword static. A static variable is shared by all the ...