Javaslang takeWhile imperative example

package cvi6.demonstrations;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;

import javaslang.collection.Stream;

public class JavaslangTakeWhile {

    public static void main(String[] args) throws IOException {
        // create javaslang stream from java stream
        java.util.stream.Stream<String> javaStreamOfLines = Files.lines(Paths.get("data.txt"));
        Iterable<String> itr = () -> javaStreamOfLines.iterator();
        Stream<String> lines = Stream.ofAll(itr);

        // trivial code for grouping records into lists by "==" delimiter
        // this is not functional, could be rewritten to functional code using recursion
        int i = 0;
        int drop = 0;
        while(!lines.isEmpty()) {
            List<String> record = lines
            .drop(drop)
            .takeWhile(line -> !line.contains("=="))
            .toJavaList();

            System.out.println(record);
            drop += record.size()+1;

            // don't do it for whole file
            if(i++ > 3) break;
        }
        javaStreamOfLines.close();
    }

}