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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. 		Map<String, String> values = new HashMap<>();
  13.  
  14. 		values.put("foo", "c");
  15. 		values.put("bar", "b");
  16. 		values.put("baz", "a");
  17.  
  18. 		for (Map.Entry<String, String> entry : values.entrySet()) {
  19.         	System.out.println(entry);
  20.     	}
  21. 		System.out.println("-----------sort-----------");
  22. 		List<Map.Entry<String, String>> entries = new ArrayList(values.entrySet());
  23.     	Collections.sort(entries, new Comparator<Map.Entry<String, String>>() {
  24.  
  25.     		public int compare(Map.Entry<String, String> o1, Map.Entry<String, String> o2) { 
  26.     			return o1.getValue().compareTo(o2.getValue());
  27.     			}
  28.     		});
  29.     	for (Map.Entry<String, String> entry : entries) {
  30.         	System.out.println(entry);
  31.     	}
  32. 	}
  33. }
Success #stdin #stdout 0.08s 380224KB
comments (?)
stdin 
Standard input is empty
stdout 
baz=a
foo=c
bar=b
-----------sort-----------
baz=a
bar=b
foo=c
https://ideone.com/FCL2do
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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