Remove value from TreeMap in Java

//from w w  w .j ava2 s  . c o m
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("2", "Two");
    treeMap.put("3", "Three");

    Object obj = treeMap.remove("2");
    System.out.println(obj + " Removed from TreeMap");
  }
}