Web design software - Chapter 9 Object-Oriented Programming: Inheritance 367 10 //
Chapter 9 Object-Oriented Programming: Inheritance 367 10 // main entry point for application 11 static void Main( string[] args ) 12 { 13 // instantiate Circle4 14 Circle4 circle = new Circle4( 37, 43, 2.5 ); 15 16 // get Circle4’s initial x-y coordinates and radius 17 string output = “X coordinate is ” + circle.X + “n” + 18 “Y coordinate is ” + circle.Y + “n” + 19 “Radius is ” + circle.Radius; 20 21 // set Circle4’s x-y coordinates and radius to new values 22 circle.X = 2; 23 circle.Y = 2; 24 circle.Radius = 4.25; 25 26 // display Circle4’s string representation 27 output += “nn” + 28 “The new location and radius of circle are ” + 29 “n” + circle + “n”; 30 31 // display Circle4’s Diameter 32 output += “Diameter is ” + 33 String.Format( “{0:F}”, circle.Diameter() ) + “n”; 34 35 // display Circle4’s Circumference 36 output += “Circumference is ” + 37 String.Format( “{0:F}”, circle.Circumference() ) + “n”; 38 39 // display Circle4’s Area 40 output += “Area is ” + 41 String.Format( “{0:F}”, circle.Area() ); 42 43 MessageBox.Show( output, “Demonstrating Class Circle4″ ); 44 45 } // end method Main 46 47 } // end class CircleTest4 Fig. 9.14 Fig. 9.14Fig. 9.FiFi14g. 9.14g. 9.14CircleTest4demonstrates class Circle4functionality. (Part 2 of 2.)
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