Get Head Map from Java TreeMap : TreeMap « Collections Data Structure « Java

1. Java
2. Collections Data Structure
3. TreeMap

Get Head Map from Java TreeMap

 

import java.util.SortedMap;
import java.util.TreeMap;

public class Main {
  public static void main(String[] args) {
    TreeMap<String,String> treeMap = new TreeMap<String,String>();
    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);
  }
}

   
  

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