Java Approximate circle

and schematic diagram

Code:

1  Public classCircle2 {3      Public Static voidMain (string[] args)4     {5         intRADIUS = 10;6System.out.println ("Approximate circle with output radius + radius +");7 Paint (RADIUS);8     }9 Ten      Public Static voidPaintintR) One     { A         //assuming the center of the Circle is (R, R) -         intX//current x-coordinate -         inty = 2 * r;//current y-coordinate the         intSpace//number of spaces in the middle of each line -         intD = 2;//Descending amount per line -          for(intj = 2*r; j>=0; j=j-d) -         { +x =GetX (R, y); -Space = 2 * (rx); +System.out.print (Getspace (x+10) + "*");//the * number on the left with 10 units shifted to the right ASystem.out.println (Getspace (space) + "*");//the * number on the right atY-=D; -         } -     } -  -      Public Static intGetX (intRinty) -     {    { in  -         Doubletempx; toTEMPX = Math.sqrt (R*r-(y-r) * (yR)); +         return(int) Math.Round (-tempx +r);//Math.Round (double D) returns the nearest parameter to a long, so a type cast is required -     } the  *      Public StaticString Getspace (intspace) $     {Panax NotoginsengString s = ""; -          for(inti=0; i<space; i++) the         { +s = s+ ""; A         } the         returns; +     } -}

View Code

Java Approximate circle