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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. import java.math.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. 	public static void main (String[] args) throws java.lang.Exception
  12. 	{
  13. 		/*
  14. 		2,15  =  2,2
  15. 		0,15  = 0,2
  16. 		2,05  = 2,1
  17. 		2,04  = 2,1
  18. 		0,04 = 0,1*/
  19.  
  20. 		double v0 = 2.15;
  21. 		double v1 = 0.15;
  22. 		double v2 = 2.05;
  23. 		double v3 = 2.04;
  24. 		double v4 = 0.19;
  25. 		double v5 = 0.9;
  26.  
  27. 		System.out.println(prepareValue(v0));
  28. 		System.out.println(prepareValue(v1));
  29. 		System.out.println(prepareValue(v2));
  30. 		System.out.println(prepareValue(v3));
  31. 		System.out.println(prepareValue(v4));
  32. 		System.out.println(prepareValue(v5));
  33.  
  34. 	}
  35.  
  36. 	public static Object prepareValue(double value)
  37. 	{
  38. 		int r = 10;
  39. 		String[] str = String.valueOf(value).split("\\.");
  40. 		if (str.length > 0)
  41. 		{
  42. 			str[1] = str[1].length() == 1 ? (str[1]+"0") : str[1];
  43. 			int s1 = Integer.parseInt(str[1]);
  44. 			if (s1 < 10) r = 10; else
  45. 			if (s1 >= 10 && s1 <20) r = 20; else
  46. 			if (s1 >= 20 && s1 <30) r = 30; else
  47. 			if (s1 >= 30 && s1 <40) r = 40; else
  48. 			if (s1 >= 40 && s1 <50) r = 50; else
  49. 			if (s1 >= 50 && s1 <60) r = 60; else
  50. 			if (s1 >= 60 && s1 <70) r = 70; else
  51. 			if (s1 >= 70 && s1 <80) r = 80; else
  52. 			if (s1 >= 80 && s1 <90) r = 90; else
  53. 			if (s1 >= 90) r = 100;
  54. 		}
  55. 		BigDecimal re = new BigDecimal(Math.abs(((value - (int)value)*100)-r)/100)
  56. 			.setScale(2, RoundingMode.HALF_EVEN); 
  57.  
  58. 		return re.add(new BigDecimal(value).setScale(2, RoundingMode.HALF_EVEN))
  59. 			.doubleValue();
  60. 	}
  61. }
Success #stdin #stdout 0.06s 4386816KB
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Standard input is empty
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2.2
0.2
2.1
2.1
0.2
1.0
https://ideone.com/I3Wb6b
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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