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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. public class Main
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{	
  8. 		Figure figurs[]=new Figure[3];	
  9. 		figurs[0] = new Circle(1,1,1.5);
  10. 		figurs[1] = new Quadrate(1,1,3,3);
  11. 		figurs[2] = new Segment(0,0,1,0);
  12. 		for(Figure i: figurs){
  13. 			System.out.println(i.getSquare());
  14. 		}
  15.  
  16. 	}
  17. }
  18. abstract class Figure{
  19. 	abstract public double getSquare();
  20. }
  21. class Circle extends Figure{
  22. 	private double x,y,r;
  23. 	public Circle(double x,double y,double r){
  24. 		this.x=x;
  25. 		this.y=y;
  26. 		this.r=r;
  27. 	}
  28. 	@Override
  29. 	public double getSquare(){
  30. 		return Math.PI*r*r;
  31. 	}
  32. }
  33. class Quadrate extends Figure{
  34. 	private double x,y,x1,y1;
  35. 	public Quadrate(double x,double y,double x1,double y1){
  36. 		this.x=x;
  37. 		this.y=y;
  38. 		this.x1=x1;
  39. 		this.y1=y1;
  40. 	}
  41. 	@Override
  42. 	public double getSquare(){
  43. 		return Math.abs(x-x1)*Math.abs(y-y1);
  44. 	}
  45. }
  46. class Segment extends Figure{
  47. 	private double x,y,x1,y1;
  48. 	public Segment(double x,double y,double x1,double y1){
  49. 		this.x=x;
  50. 		this.y=y;
  51. 		this.x1=x1;
  52. 		this.y1=y1;
  53. 	}
  54. 	@Override
  55. 	public double getSquare(){
  56. 		return 0;
  57. 		//площадь отрезка всегда 0
  58. 	}
  59. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Mozart Compiler 1.4.0 (20080704) playing Oz 3

%%% feeding file prog.oz

%*************************** parse error ************************
%**
%** syntax error, unexpected T_OZATOM, expecting T_ENDOFFILE
%**
%** in file "./prog.oz", line 1, column 7
%** ------------------ rejected (1 error)
stdout
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Standard output is empty
https://ideone.com/68PSu
language:
Oz (mozart-1.4.0)
created:
14 years ago
visibility:
public

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