Get Head Map from TreeMap - Java Collection Framework

Java examples for Collection Framework:TreeMap

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Description

Get Head Map from TreeMap

Demo Code

 
import java.util.SortedMap;
import java.util.TreeMap;
 
public class Main {
 
  public static void main(String[] args) {
    TreeMap treeMap = new TreeMap();
    treeMap.put("1","One");
    treeMap.put("3","Three");
    treeMap.put("2","Two");
    treeMap.put("5","Five");
    treeMap.put("4","Four");
    SortedMap sortedMap = treeMap.headMap("3");
    System.out.println("Head Map Contains : " + sortedMap);
  }/* w  ww.ja v  a 2 s. c o m*/
}

Result


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