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  1. import java.lang.*;
  2. import java.lang.ref.WeakReference;
  3.  
  4. class Ideone
  5. {
  6. 	static class IntArray
  7. 	{
  8. 		WeakReference<Object> self;
  9. 		int[] array1;
  10. 		int size;
  11.  
  12. 		class Setter implements Runnable
  13. 		{
  14. 			private int index;
  15. 			private int value;
  16. 			Setter(int index, int value)
  17. 			{
  18. 				this.index = index;
  19. 				this.value = value;
  20. 			}
  21. 			@Override
  22. 			public void run()
  23. 			{
  24. 				if (index < 0) index = -index;
  25. 				if (index >= size) index = index % size;
  26. 				synchronized (self)
  27. 				{
  28. 					int[] tmp = array1.clone();
  29. 					tmp[index] = value;
  30. 					array1 = tmp;
  31. 				}
  32. 			}
  33. 		}
  34.  
  35. 		IntArray(int size) 
  36. 		{
  37. 			this.size = size;
  38. 			array1 = new int[size];
  39. 			self = new WeakReference<Object>(this);
  40. 		}
  41.  
  42. 		public void setValue(int index, int value)
  43. 		{
  44. 			Thread thread = new Thread(new Setter(index, value));
  45. 			thread.start();
  46. 		}
  47.  
  48. 		public int getValue(int index)
  49. 		{
  50. 			return array1[index];
  51. 		}
  52.  
  53. 		public int length()
  54. 		{
  55. 			return size;
  56. 		}
  57. 	}
  58.  
  59. 	public static void main (String[] args) throws java.lang.Exception
  60. 	{
  61. 		IntArray array = new IntArray(10);
  62.  
  63. 		for (int i = 0; i < 10; ++i)
  64. 		{
  65. 			array.setValue(i, i * 10);
  66. 			array.setValue(i, i * 20);
  67. 		}
  68.  
  69. 		for (int i = 0; i < 10; ++i)
  70. 		{
  71. 			array.setValue(i, i + i + 5);
  72. 		}
  73.  
  74. 		for (int i = 0; i < 10; ++i)
  75. 		{
  76. 			System.out.println("1) " + i + ": = " + array.getValue(i));
  77. 		}
  78. 	}
  79. }
Runtime error #stdin #stdout #stderr 0.08s 382784KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Exception in thread "main" java.lang.OutOfMemoryError: unable to create new native thread
	at java.lang.Thread.start0(Native Method)
	at java.lang.Thread.start(Thread.java:693)
	at Ideone$IntArray.setValue(Main.java:45)
	at Ideone.main(Main.java:66)
https://ideone.com/WccD2I
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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