class and object

Class and Object

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Class: Class is a data type. It is also called blueprint or template. class contain number of object.

Object: Object is a run time entity. It is a active entity.

  Example of class and object

        class student 

            {

            int roll_no, age;

            void get(int roll_no1, int age1)

            { 

            roll_no = roll_no1;

            age = age1;

            }

            void show()

            {

            System.out.println(roll_no);

            System.out.println(age);

            }

            public static void main(String k[])

            {

            student st=new student(); 

            st.get(1,16);

            st.show();

            }

            }