Given the following definitions of a class:
a class is an extensible program-code-template for creating objects1
A class is the blueprint from which individual objects are created2
A class is a blueprint of an object3
A class is the template or blueprint from which objects are made4
What is the difference in meaning between the examples with "the blueprint/template" and the examples with "a blueprint/template"? Why "a blueprint/template" was not used in all the examples?
4Core Java Volume I--Fundamentals (10th Edition) by Cay S. Horstmann