TreeMap: headMap(K toKey, boolean inclusive) : TreeMap « java.util « Java by API

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Java by API » java.util » TreeMap

TreeMap: headMap(K toKey, boolean inclusive)


  



import java.util.TreeMap;



public class Main {

  public static void main(String[] a) {

    TreeMap<String,String> map = new TreeMap<String,String>();

    map.put("key1", "value1");

    map.put("key2", "value2");

    map.put("key3", "value3");



    if (!map.isEmpty()) {

      String last = map.lastKey();

      boolean first = true;

      do {

        if (!first) {

          System.out.print(", ");

        }

        System.out.print(last);

        last = map.headMap(last, true).lastKey();

        first = false;

      } while (last != map.firstKey());

      System.out.println();

    }

  }

}

Related examples in the same category

1.	new TreeMap < K, V > ()
2.	TreeMap: entrySet()
3.	TreeMap: firstKey()
4.	TreeMap: get(K k)
5.	TreeMap: headMap(K toKey)
6.	TreeMap: higherKey(K key)
7.	TreeMap: lastKey()
8.	TreeMap: lowerKey(K key)
9.	TreeMap: put(K k, V v)
10.	TreeMap: size()
11.	TreeMap: subMap(K fromKey, K toKey)
12.	TreeMap: tailMap(T fromKey)
13.	TreeMap: values()

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