Method maxList has 45 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public Integer maxList(List<Fraction> list, boolean isMax, boolean haveInfinity, boolean permitMinus) {
        Integer index = null;
        //有非数的集合
        if (haveInfinity) {
            Map<Integer, Fraction> tempMap = new HashMap<>();

Method check has 44 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public static boolean check(Color chess[][], int x, int y, Color color) {
        int count = 0;
        int tempX = x;
        int tempY = y;
        for (; contains(chess, x - 1, y, color); x--)

Method btnZeroActionPerformed has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

  void btnZeroActionPerformed(ActionEvent e) {
    if (flag) { //如果刚刚按下了运算符
      txtResult.setText("");
      if (dotFlag) {//判断之前是否输入了点运算符
        txtResult.setText("0." + e.getActionCommand());

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Method sampleWithNoRepeated has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

  public static <T> List<T> sampleWithNoRepeated(Map<T, Integer> rateMap, int count) {
    List<T> result = new ArrayList<>();
    for (int i = 0; i < count; i++) {
      int total = 0;
      for (Entry<T, Integer> entry : rateMap.entrySet()) {

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Method run has 42 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    @Override
    public void run() {
        while (hero.isAlive() && !exit) {
            if (eventGroup.hasPressMoveEvent()) {
//                log.info("eventGroup={}", eventGroup);

Method singleThreadMode has 40 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    private static void singleThreadMode() throws InterruptedException {
        Thread normal = new Thread(() -> log.info("normal"));
        normal.setName("normal");
        normal.start();

Method installGCMonitoring has 40 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public static void installGCMonitoring() {
        //get all the GarbageCollectorMXBeans - there's one for each heap generation
        //so probably two - the old generation and young generation
        List<GarbageCollectorMXBean> gcbeans = java.lang.management.ManagementFactory.getGarbageCollectorMXBeans();
        //Install a notifcation handler for each bean

Method action has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

    private void action() {
        if (state == PersonState.FREEZE) {
            return;
        }

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Method singleThreadMode has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

    private static void singleThreadMode() throws InterruptedException {
        Thread normal = new Thread(() -> log.info("normal"));
        normal.setName("normal");
        normal.start();

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Method handleInput has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

  private void handleInput(Selector selector, SelectionKey key) throws IOException {
    if (key.isValid()) {
      if (key.isAcceptable()) {
        // Accept the new connection
        ServerSocketChannel ssc = (ServerSocketChannel) key.channel();

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Method parseArgs has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

    private int parseArgs(String[] args) throws UnknownHostException {
        int base;
        label:
        for (base = 0; base < args.length; base++) {
            switch (args[base]) {

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Method run has 39 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public void run(){
        try{
            br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            ps = new PrintStream(socket.getOutputStream());
            String line = null;

Method readDataBase has 38 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public void readDataBase() {
        PreparedStatement ps = null;
        Connection cn = null;
        ResultSet rs = null;

Method readContent has 38 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  private void readContent(Selector selector, SelectionKey sk) throws IOException {
    SocketChannel sc = (SocketChannel) sk.channel();
    ByteBuffer buff = ByteBuffer.allocate(1024);

    StringBuilder content = new StringBuilder();

Method sort has 37 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  public int[] sort(int[] data) {
    int[] arr = Arrays.copyOf(data, data.length);

    List<List<Integer>> dataList = new ArrayList<>();
    List<Integer> arrs = new ArrayList<>();

Method pushTimeWheel has 37 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    private void pushTimeWheel(int seconds) {
        Map<ChronoUnit, Integer> tempIndex = new HashMap<>(sortedSlots.size());
        for (int i = 0; i < sortedSlots.size(); i++) {
            ChronoUnit unit = sortedSlots.get(i);
            Integer threshold = slots.get(unit);

Method initLogicButton has 36 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  private void initLogicButton() {
    txtResult.setEnabled(false);
    txtResult.setEditable(false);
    txtResult.setHorizontalAlignment(SwingConstants.RIGHT);
    txtResult.setBounds(new Rectangle(33, 19, 310, 34));

Method paintComponent has 36 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    @Override
    protected void paintComponent(Graphics g) {
        int offset = 4;
        int r = 5;
        int chessR = 20;

Method main has 36 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  public static void main(String[] a) {
    final CountDownLatch firstLatch = new CountDownLatch(1);
    final CountDownLatch secondLatch = new CountDownLatch(1);
    // 使用不可变对象
    final BuildFactory.Builder builder = new BuildFactory.Builder();

Method keyPressed has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

    public void keyPressed(KeyEvent e) {
        //加了if条件后 实现了墙的限制（如果是游戏中的道具，该怎么办）
        if (e.getKeyCode() == KeyEvent.VK_A) {
            hero.setDirect(2);
            if (PlayStageMgr.instance.willInBorder(hero))

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