/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
 
        System.out.println("Hello World");
         HashMap map1 = new HashMap();
         Hashtable<String, String> map2 = new Hashtable<String, String>();
         Map map3 = new HashMap();
         map1.put("A", ".-");
	}
}

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