import java.util.List;
import java.util.LinkedList;
import java.util.ArrayList;

public class JFRCrashTest {

    private static final int TOTAL_OBJECTS = 10_000_000;

    private static List<List<String>> lists = new ArrayList<>();

    public static void main(String[] args) throws Exception {

        int nObjectsPerList = (args.length > 0) ? Integer.parseInt(args[0]) : 7_000;
        System.out.println("number of objects per list: " + nObjectsPerList);

        for (int n = 0; n < TOTAL_OBJECTS / nObjectsPerList; n++) {
            List<String> list = new LinkedList<>();

            for (int i = 0; i < nObjectsPerList; i++) {
                list.add(new String("" + i));
            }
            lists.add(list);
        }
        System.out.println("done");
    }
}