/* 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
	{
 
    List<List<String>> mainList=new ArrayList<List<String>>();
    List<String> myList=Arrays.asList("ABC","PQR","XYZ");
    for(String s:myList){
      mainList.add(Arrays.asList(s));
		}
		System.out.println(Arrays.toString(mainList.toArray()));
	}
 
 
}

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