<commit_before>package sz.fptest;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

public class fptestMain {
    private static List<String> makeList()
    {
        List<String> result = new ArrayList<>();
        for( int i=0; i<10000; i++)
        {
            result.add( Integer.toString(i) );
        }
        return result;
    }

    private static String tfuntional(List<String> list)
    {
        String result = list
                .stream()
                .collect(Collectors.joining(" "));
        return result+" ";
    }
<commit_msg>use suffix parameter of joining<commit_after>package sz.fptest;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

public class fptestMain {
    private static List<String> makeList()
    {
        List<String> result = new ArrayList<>();
        for( int i=0; i<10000; i++)
        {
            result.add( Integer.toString(i) );
        }
        return result;
    }

    private static String tfuntional(List<String> list)
    {
        return list
                .stream()
                .collect(Collectors.joining(" ","", " "));
    }

{'fraction_non_alphanumeric': 0.12159863945578231, 'fraction_numerical': 0.01020408163265306, 'mean_word_length': 2.113756613756614, 'pattern_counts': {'":': 0, '<': 13, '<?xml version=': 0, '>': 11, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2485884', 'n_tokens_mistral': 358, 'n_tokens_neox': 341, 'n_words': 81}