java/pisemka/Polar.java.txt

   1 import java.io.*;
   2 import java.util.*;
   3 import java.lang.Math;
   4
   5 /** Pisemka - trida "PolCoordinate"
   6  * Copylefted by: Harvie 2oo9 ( http://blog.harvie.cz/ )
   7  * @author      Thomas Harvie Mudrunka (mudruto1)
   8  * @version     1.0
   9  */
  10 class PolCoordinate {
  11         private double phi = 0, r = 0;
  12         private double x = 0, y = 0;
  13         private Scanner sc = new Scanner(System.in);
  14
  15         PolCoordinate(double uhel, double vzdalenost) {
  16                 phi = uhel;
  17                 r = vzdalenost;
  18                 x = vzdalenost * Math.cos(uhel);
  19                 y = vzdalenost * Math.sin(uhel);
  20         }
  21
  22         public double getX() { return x; }
  23         public double getY() { return y; }
  24
  25         public String toString() {
  26                 return new String("X = "+x+"\nY = "+y);
  27         }
  28
  29         public void addCoor(PolCoordinate b) {
  30                 x += b.getX();
  31                 y += b.getY();
  32         }
  33         public boolean equals(PolCoordinate b) {
  34                 if(x == b.getX() && y == b.getY()) return true;
  35                 return false;
  36         }
  37
  38 }
  39
  40 public class Polar {
  41         public static void main(String[] argv) {
  42                 PolCoordinate A = new PolCoordinate(45, 100);
  43                 PolCoordinate B = new PolCoordinate(45, 10);
  44                 System.out.println("A:\n"+A);
  45                 System.out.println("B:\n"+B);
  46                 if(A.equals(B)) System.out.println("A==B");
  47                         else System.out.println("A!=B");
  48                 A.addCoor(B);
  49                 System.out.println("A+B:\n"+A);
  50         }
  51 }
  52
  53