/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.util.stream.Collectors ;
 
/* 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<String> input = List.of("a/b/c", "d/e/f", "g");
 
	    List<String> output = 
	        input
	            .stream()
	            .flatMap( s -> Arrays.stream( s.split("/") ) ) 
	            .collect( Collectors.toList() ) ;  // In Java 16+, replace with `.toList();`.
 
	    System.out.println(output);
 
	}
}

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