TreeMap clear() method in java
import java.util.TreeMap;
public class TreeMapClearMethodExample
{
public static void main(String[] args)
{
TreeMap<Integer, String> tm = new TreeMap<Integer, String>();
tm.put(8, "red");
tm.put(12, "blue");
tm.put(10, "yellow");
tm.put(6, "green");
tm.put(4, "violet");
System.out.println("TreeMap before using clear() method: " + tm);
// clearing TreeMap using clear() method
tm.clear();
System.out.println("TreeMap after using clear() method: " + tm);
}
}