TreeMap putAll() method in java
import java.util.TreeMap;
public class TreeMapPutAllMethodExample
{
public static void main(String[] args)
{
TreeMap<Integer, String> tm1 = new TreeMap<Integer, String>();
tm1.put(32, "pineapple");
tm1.put(51, "watermelon");
tm1.put(38, "grapes");
tm1.put(69, "mango");
tm1.put(58, "apple");
System.out.println("TreeMap before using putAll() method: " + tm1);
// create new TreeMap and copy
TreeMap<Integer, String> tm2 = new TreeMap<Integer, String>();
tm2.putAll(tm1);
System.out.println("TreeMap after using putAll() method: " + tm2);
}
}