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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. interface Shape{
  8.     void draw();
  9. }
  10.  
  11. class Rectangle implements Shape{
  12.     public void draw(){
  13.         System.out.println("Drawing Rectangle.");
  14.     }
  15. }
  16.  
  17. class Triangle implements Shape{
  18.     public void draw(){
  19.         System.out.println("Drawing Triangle.");
  20.     }
  21. }
  22.  
  23. class Circle implements Shape{
  24.     public void draw(){
  25.         System.out.println("Drawing Circle.");
  26.     }
  27. }
  28.  
  29. class RandomShapeFactory{
  30. 	public static Shape createRandomShape(){
  31.  
  32. 		Shape randomShape;
  33.  
  34. 		Random random = new Random();
  35. 		int randomNo = random.nextInt() % 3 + 1;
  36. 		if (randomNo == 1){
  37. 			randomShape = new Rectangle();
  38. 		}
  39. 		else if (randomNo == 2){
  40. 			randomShape = new Triangle();
  41. 		}
  42. 		else{
  43. 			randomShape = new Circle();
  44. 		}
  45.  
  46. 		return randomShape;
  47. 	}
  48. }
  49.  
  50. class Main{
  51. 	public static void main(String[] args){
  52. 		Shape[] shapes = new Shape[10];
  53. 		for (int i = 0; i < shapes.length; i++){
  54. 			shapes[i] = RandomShapeFactory.createRandomShape();
  55. 		}
  56. 		drawAllShapes(shapes);
  57. 	}
  58.  
  59.     public static void drawAllShapes(Shape[] shapes){
  60.         for (int i = 0; i < shapes.length; i++){
  61.             shapes[i].draw();
  62.         }
  63.     }
  64. }
Success #stdin #stdout 0.03s 711168KB
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stdin
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Standard input is empty
stdout
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Drawing Triangle.
Drawing Triangle.
Drawing Rectangle.
Drawing Circle.
Drawing Circle.
Drawing Circle.
Drawing Rectangle.
Drawing Rectangle.
Drawing Circle.
Drawing Rectangle.
https://ideone.com/faYsDx
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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