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  1.  
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.util.Map.Entry;
  7.  
  8. class Demo {
  9.  
  10.     public static void main(String a[]){
  11.         TreeMap<String, String> hm = new TreeMap<String, String>();
  12.         //add key-value pair to TreeMap
  13.         hm.put("first", "FIRST INSERTED");
  14.         hm.put("second", "SECOND INSERTED");
  15.         hm.put("third","THIRD INSERTED");
  16.         System.out.println(hm);
  17.         //getting value for the given key from TreeMap
  18.         Set<Entry<String, String>> entires = hm.entrySet();
  19.         for(Entry<String,String> ent:entires){
  20.             System.out.println(ent.getKey()+" ==> "+ent.getValue());
  21.         }
  22.     }
  23. }
Success #stdin #stdout 0.06s 3359744KB
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Standard input is empty
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{first=FIRST INSERTED, second=SECOND INSERTED, third=THIRD INSERTED}
first ==> FIRST INSERTED
second ==> SECOND INSERTED
third ==> THIRD INSERTED
https://ideone.com/phrcPZ
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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