<» Shape #color:String #filled:boolean +Shape () +Shape(color:String, filled:boolean) +getColor ():String +setColor (color:String):void +isFilled ():boolean +setFilled(filled:boolean):void +getArea():double +getPerimeter:double +toString ():String Circle Rectangle #width:double #length:double #radius:double +Circle() +Circle(radius: double) +Circle(radius:double, color:String, filled:boolean) +getRadius():double +setRadius(radius:double):void +getArea():double +getPerimeter():double +tostring ():String +Rectangle() +Rectangle(width:double,length:double) +Rectangle(width:double, length:double, color:String, filled:boolean) +getwidth ():double +setwidth (width:double):void +getlength():double +setlength(legnth:double):void +getArea():double +getPerimeter():double +toString ():String Square +Square() +Square(side:double) +Square (side:double,color:String, filled:boolean) +getSide():double +setSide(side:double):void +setwidth (side: double):void +setlength(side:double):void +tostring ():String

<» Shape #color:String #filled:boolean +Shape () +Shape(color:String, filled:boolean) +getColor ():String +setColor (color:String):void +isFilled ():boolean +setFilled(filled:boolean):void +getArea():double +getPerimeter:double +toString ():String Circle Rectangle #width:double #length:double #radius:double +Circle() +Circle(radius: double) +Circle(radius:double, color:String, filled:boolean) +getRadius():double +setRadius(radius:double):void +getArea():double +getPerimeter():double +tostring ():String +Rectangle() +Rectangle(width:double,length:double) +Rectangle(width:double, length:double, color:String, filled:boolean) +getwidth ():double +setwidth (width:double):void +getlength():double +setlength(legnth:double):void +getArea():double +getPerimeter():double +toString ():String Square +Square() +Square(side:double) +Square (side:double,color:String, filled:boolean) +getSide():double +setSide(side:double):void +setwidth (side: double):void +setlength(side:double):void +tostring ():String

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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Question

Exercise 3: Write a program to implement polymorphism with following class diagram

<<abstract>» Shape
#color:String
#filled:boolean
+Shape ()
+Shape (color:String,filled:boolean)
+getColor ():String
+setColor (color:String):void
+isFilled ():boolean
+setFilled(filled:boolean):void
+getArea():double
+getPerimeter:double
+tostring ():String
Circle
Rectangle
#width:double
#length:double
#radius:double
+Circle()
+Circle(radius:double)
+Circle(radius:double,
color:String, filled:boolean)
+getRadius():double
+setRadius(radius:double):void
+getArea():double
+getPerimeter():double
+toString ():String
+Rectangle()
+Rectangle(width:double,length:double)
+Rectangle(width:double,length:double,
color:String, filled:boolean)
+getwidth ():double
+setwidth (width:double):void
+getLength():double
+setlength(legnth:double):void
+getArea():double
+getPerimeter():double
+tostring ():String
Square
+Square()
+Square(side:double)
+Square(side:double,color:String,
filled:boolean)
+getSide():double
+setSide(side:double):void
+setwidth (side: double):void
+setlength(side:double):void
+tostring ():String

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What exactly are you referring to when you say something is an Abstract Data Type?