4.4 Exercise 1 Composition :<><>© Student©Date(default package)(default package)o id: into fName: Stringa IName: StringFStudent(Student)Student(int)fStudent(int, String,String)o getld() into setld(int):voido getfName():Stringo efName(String).void• getIName():String• setIName(String):void• getBirthDate():Dateo setBirthDate(Date):voido toString():Stringo equals(Student):booleano day: into month: int- year: intSDate(Date)SDate(int)fDate(int,int)Date(int,int,int)• getDay():into setDay(int):voido getMonth():into setMonth(int):voido getYear():int• setYear(int):voido toString():Stringe equals(Date):boolean-birthDate0.1

public class Date{ //declaring instance variables private int day; private int month;…

Answered: 4.4 Exercise 1 Composition :

Engineering

Computer Science

4.4 Exercise 1 Composition :

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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4.4 Exercise 1 Composition :
<<Java Class>>
<<Java Class>>
© Student
©Date
(default package)
(default package)
o id: int
o fName: String
a IName: String
FStudent(Student)
Student(int)
fStudent(int, String,String)
o getld() int
o setld(int):void
o getfName():String
o efName(String).void
• getIName():String
• setIName(String):void
• getBirthDate():Date
o setBirthDate(Date):void
o toString():String
o equals(Student):boolean
o day: int
o month: int
- year: int
SDate(Date)
SDate(int)
fDate(int,int)
Date(int,int,int)
• getDay():int
o setDay(int):void
o getMonth():int
o setMonth(int):void
o getYear():int
• setYear(int):void
o toString():String
e equals(Date):boolean
-birthDate
0.1

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