/* 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
	{
        HashMap<String, String[]> xynta = new HashMap<String, String[]> ();
 
        xynta.put("x", new String[]{"123", "123", "123"});
		xynta.put("z", new String[]{"321", "321", "321"});
 
        for(Map.Entry<String, String[]> xynta_pair: xynta.entrySet()){
        	for(String xynta_elem: xynta_pair.getValue())
            System.out.println(xynta_elem);
        }
 
    }
}

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