java treemap

import java.util.Map;
import java.util.TreeMap;
public class TreeMapExample
{
   public static void main(String[] args) 
   {
      TreeMap<Integer, String> tm = new TreeMap<Integer, String>();    
      tm.put(1000, "Apple");    
      tm.put(1002, "Raspberry");    
      tm.put(1001, "Velvet apple");    
      tm.put(1003, "Banana");    
      for(Map.Entry obj : tm.entrySet())
      {    
         System.out.println(obj.getKey() + " " + obj.getValue());    
      }
   }
}

4.25
4

                                    - TreeMap doesn't have null key and keys are sorted
 Can contain only unique keys and keys are sorted in ascending order.

4.25 (4 Votes)
0
3.5
6
Fish Monitor 110 points

                                    TreeSet: Can contain only unique values and it is sorted in ascending order
TreeMap: Can contain only unique keys and keys are sorted in ascending order.

3.5 (6 Votes)
0
0
0
Ninjammer 90 points

                                    TreeMap&lt;Integer, String&gt; x = new TreeMap&lt;Integer, String&gt;();    
tm.put(1, &quot;Hello&quot;);

0
0
3.5
2
Peigie 110 points

                                    import java.util.*;

// Declare the variable using the interface of the object for flexibility.
// Non-primative data types only.
Map&lt;Integer, String&gt; mambo = new TreeMap&lt;Integer, String&gt;();

mambo.put(key, value);
// TreeMap will be sorted by key.
// Work with any comparable object as a key.

mambo.put(1, &quot;Monica&quot;);
mambo.put(2, &quot;Erica&quot;);
mambo.put(3, &quot;Rita&quot;);

3.5 (2 Votes)
0
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