Java Classes and Objects: Classes and objects both are treated in similar way in all programming languages. Java is not exception. Understanding classes and objects with real world example Consider a physical class room with lot of real world objects. What we Observe in class room..? Chairs Table Students Teacher Black board Markers and Erasers etc So, a programmer needs to instruct the computer, how to create a class room object and it's subsequent objects. like, chair, table, teacher and student etc. If programmer wants to create or develop a School application, he would need to create: class room object Office room object, Student object, Stationary object Play room object etc Let us now create School application with above mentioned objects and classes using java programming language. To create Objects, first of all, we have to create respective classes in java public class School_Application{ public Student students; ...