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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.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Data implements Comparable<Data>
  10. {
  11. 	public static void main (String[] args) throws java.lang.Exception
  12. 	{
  13. 		List<Data> data = new ArrayList<Data>();
  14. 		data.add(new Data("Title1", "Link1", 8));
  15. 		data.add(new Data("Title2", "Link2", 1));
  16. 		data.add(new Data("Title3", "Link3", 3));
  17.  
  18. 		for(Data d : data)
  19. 		{
  20. 			System.out.print(d.getNumber() + " ");
  21. 		}
  22.  
  23. 		System.out.println();
  24.  
  25. 		Collections.sort(data);
  26.  
  27. 		for(Data d : data)
  28. 		{
  29. 			System.out.print(d.getNumber() + " ");
  30. 		}
  31. 	}
  32.  
  33. 	private String title;
  34. 	private String link;
  35. 	private int number;
  36.  
  37. 	public Data(){}
  38. 	public Data(String title, String link, int number)
  39. 	{
  40. 		setTitle(title);
  41. 		setLink(link);
  42. 		setNumber(number);
  43. 	}
  44. 	public void setTitle(String title)
  45. 	{
  46. 		this.title = title;
  47. 	}
  48.  
  49. 	public void setLink(String link)
  50. 	{
  51. 		this.link = link;
  52. 	}
  53.  
  54. 	public void setNumber(int number)
  55. 	{
  56. 		this.number = number;
  57. 	}
  58.  
  59. 	public String getTitle()
  60. 	{
  61. 		return title;
  62. 	}
  63.  
  64. 	public String getLink()
  65. 	{
  66. 		return link;
  67. 	}
  68.  
  69. 	public int getNumber()
  70. 	{
  71. 		return number;
  72. 	}
  73.  
  74. 	@Override
  75. 	public int compareTo(Data data)
  76. 	{
  77. 		return this.getNumber() - data.getNumber();
  78. 	}
  79. }
Success #stdin #stdout 0.1s 320256KB
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8 1 3 
1 3 8
https://ideone.com/lRzdjA
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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