Implement all these classes while illustrating the concept of aggregation and composition in terms of ownership and life-cycle.Consider six classes i.e. Person, Department, Laboratory, and University having following specifications.Class University hasTwo attributes of type string i.e. universityName and location· An attribute named dept of type DepartmentClass Department hasTwo attributes i.e. deptID, deptName· A two-argument constructor to initialize data fields with user-defined values· A member function display() to show all attribute valuesClass Laboratory containsTwo attributes i.e. labID and experimentNo· A two-argument constructor to initialize data member with user-defined valuesClass Person hasTwo attributes i.e. name and age· A parameterized constructor to initialize attributes with user-defined values· A member function display() to show its attribute values 1. Implement all these classes while illustrating the concept of aggregation ancomposition in terms of ownership and life-cycle.Consider six classes i.e. Person, Department, Laboratory, and University having followinspecifications.Class University has• Two attributes of type string i.e. universityName and location• An attribute named dept of type DepartmentClass Department has• Two attributes i.e. deptID, deptName•A two-argument constructor to initialize data fields with user-defined values•A member function display() to show all attribute valuesClass Laboratory contains• Two attributes i.e. labID and experimentNo•A two-argument constructor to initialize data member with user-defined valuesClass Person has• Two attributes i.e. name and age•A parameterized constructor to initialize attributes with user-defined values

public class University{ //declaring all the members public String universityName; public…

Answered: Consider six classes i.e. Person,…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Implement all these classes while illustrating the concept of aggregation and composition in terms of ownership and life-cycle.

Consider six classes i.e. Person, Department, Laboratory, and University having following specifications.

Class University has

Two attributes of type string i.e. universityName and location
· An attribute named dept of type Department

Class Department has

Two attributes i.e. deptID, deptName
· A two-argument constructor to initialize data fields with user-defined values
· A member function display() to show all attribute values

Class Laboratory contains

Two attributes i.e. labID and experimentNo
· A two-argument constructor to initialize data member with user-defined values

Class Person has

Two attributes i.e. name and age
· A parameterized constructor to initialize attributes with user-defined values
· A member function display() to show its attribute values

1. Implement all these classes while illustrating the concept of aggregation an
composition in terms of ownership and life-cycle.
Consider six classes i.e. Person, Department, Laboratory, and University having followin
specifications.
Class University has
• Two attributes of type string i.e. universityName and location
• An attribute named dept of type Department
Class Department has
• Two attributes i.e. deptID, deptName
•A two-argument constructor to initialize data fields with user-defined values
•A member function display() to show all attribute values
Class Laboratory contains
• Two attributes i.e. labID and experimentNo
•A two-argument constructor to initialize data member with user-defined values
Class Person has
• Two attributes i.e. name and age
•A parameterized constructor to initialize attributes with user-defined values

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