4. Implement the following class diagram. Shape #color:String +Shope (color:String ) +getColor ():String +setColor (color:String):void +getArea(): double Circle Rectangle #radius:double #width:double #length:double +Circle(radius: double, color:String) +getRadius ():double +setRadius(radius:double): void +getArea():double Rectangle(width:double, length:double, color:String getwidth ():double setwidth (width:double):void getLength():double +setlength(legnth:double):void +getArea():double Square +Square (side: double,color:String) *getside():double +setSide(si de: double):void +setwidth (side: double):void +setlength(side: double):void

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