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  1. class Shape
  2. {
  3. 	private double x, y, z;
  4.  
  5. 	public Shape()
  6. 	{
  7. 		this(0.0, 0.0, 0.0);
  8. 	}
  9.  
  10. 	public Shape(double x, double y, double z)
  11. 	{
  12. 		this.x = x;
  13. 		this.y = y;
  14. 		this.z = z;
  15. 	}
  16.  
  17. 	public void show()
  18. 	{
  19. 		System.out.println("中心座標: (" + x + "," + y + "," + z + ")");
  20. 	}
  21.  
  22. 	public void move(double dx, double dy, double dz)
  23. 	{
  24. 		x += dx;
  25. 		y += dy;
  26. 		z += dz;
  27. 	}
  28.  
  29. 	public void scale(double k)
  30. 	{
  31. 		x *= k;
  32. 		y *= k;
  33. 		z *= k;
  34. 	}
  35. }
  36.  
  37. class Sphere extends Shape
  38. {
  39. 	private double radius = 0.0;
  40.  
  41. 	public Sphere()
  42. 	{
  43. 		super();
  44. 	}
  45.  
  46. 	public Sphere(double x, double y, double z)
  47. 	{
  48. 		super(x, y, z);
  49. 	}
  50.  
  51. 	@Override
  52. 	public void show()
  53. 	{
  54. 		super.show();
  55. 		System.out.println("半径：" + radius);
  56. 	}
  57.  
  58. 	@Override
  59. 	public void scale(double k)
  60. 	{
  61. 		super.scale(k);
  62. 	}
  63. }
  64.  
  65. class ShapeEx
  66. {
  67. 	public static void main (String[] args) 
  68. 	{
  69. 		Shape[] shapes = new Shape[4];
  70.  
  71. 		shapes[0] = new Shape();
  72. 		shapes[1] = new Shape(1.1, 2.2, 3.3);
  73. 		shapes[2] = new Sphere();
  74. 		shapes[3] = new Sphere(4.4, 5.5, 6.6);
  75.  
  76. 		for (Shape shape : shapes)
  77. 		{
  78. 			shape.show();
  79. 			shape.move(1.0, 1.0, 1.0);
  80. 			shape.show();
  81. 			shape.scale(2.0);
  82. 			shape.show();
  83. 		}
  84. 	}
  85. }
Success #stdin #stdout 0.07s 380160KB
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Standard input is empty
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中心座標: (0.0,0.0,0.0)
中心座標: (1.0,1.0,1.0)
中心座標: (2.0,2.0,2.0)
中心座標: (1.1,2.2,3.3)
中心座標: (2.1,3.2,4.3)
中心座標: (4.2,6.4,8.6)
中心座標: (0.0,0.0,0.0)
半径：0.0
中心座標: (1.0,1.0,1.0)
半径：0.0
中心座標: (2.0,2.0,2.0)
半径：0.0
中心座標: (4.4,5.5,6.6)
半径：0.0
中心座標: (5.4,6.5,7.6)
半径：0.0
中心座標: (10.8,13.0,15.2)
半径：0.0
https://ideone.com/9LwbPq
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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