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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. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		String s = "137\n-104\n2 58\n  +0\n++3\n+1\n 23.9\n2000000000\n-0\nfive\n -1";
  13. 		Reader reader = new StringReader(s);
  14. 		for (Integer x : new SolutionIter(reader))
  15. 		{
  16.          	System.out.println(x);
  17.         }
  18. 	}
  19. }
  20.  
  21. class SolutionIter implements Iterable<Integer>
  22. {
  23. 	private Reader inp;
  24. 	public SolutionIter(Reader inp)
  25. 	{
  26. 		this.inp = inp;
  27. 	}
  28.  
  29. 	public Iterator<Integer> iterator()
  30. 	{
  31. 		return new NumberIterator();
  32. 	}
  33.  
  34. 	// Inner class
  35. 	private class NumberIterator implements Iterator<Integer>
  36. 	{
  37. 		private List<Integer> list = new ArrayList<Integer>();
  38. 		private Reader input;
  39. 		private int pos=-1;
  40.  
  41. 		public NumberIterator()
  42. 		{
  43. 			this.input = SolutionIter.this.inp;
  44. 			list = read(input);
  45. 			list.get(0);
  46. 		}
  47.  
  48. 		public boolean hasNext()
  49. 		{
  50. 			try
  51. 			{
  52. 				int a = list.get(pos+1);
  53. 				return true;
  54. 			}
  55. 			catch(Exception ex)
  56. 			{
  57. 				return false;
  58. 			}
  59.  
  60. 		}
  61.  
  62. 		public void remove() {
  63.             throw new UnsupportedOperationException();
  64.         }
  65.  
  66. 		public Integer next() 
  67. 		{
  68. 			try
  69. 			{
  70. 				pos++;
  71. 				return list.get(pos);
  72.  
  73. 			}
  74. 			catch(Exception ex)
  75. 			{
  76. 				throw new NoSuchElementException(); 
  77. 			}
  78. 		}
  79.  
  80. 		private List<Integer> read(Reader input)
  81. 		{
  82. 			char c;
  83. 			List<Integer> integers = new ArrayList<Integer>();
  84. 			String iputString = "";
  85. 			try
  86. 			{
  87. 				int data = input.read();
  88. 				while (-1 != data)
  89. 				{
  90. 					char dataChar = (char) data;
  91. 					iputString += dataChar;
  92. 					data = input.read();
  93. 				}
  94. 			}
  95. 			catch(IOException ex)
  96. 			{
  97. 				//Do Nothing
  98. 			}
  99.  
  100. 			String[] lines = iputString.split("\\r?\\n");
  101. 			for(String st : lines)
  102. 			{
  103. 				st= st.trim();
  104. 				try
  105. 				{
  106. 					int a = Integer.parseInt(st);
  107. 					if(a >=-1000000000 && a<=1000000000)
  108. 					{
  109. 						integers.add(a);
  110. 					}
  111. 				}
  112. 				catch(Exception ex)
  113. 				{
  114. 					// Do Nothing
  115. 				}
  116.  
  117. 			}
  118.  
  119. 			return  integers;
  120. 		}
  121. 	}
  122.  
  123. }
Success #stdin #stdout 0.05s 4386816KB
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stdin
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Standard input is empty
stdout
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137
-104
0
1
0
-1
https://ideone.com/5EO56U
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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