Method sort has a Cognitive Complexity of 23 (exceeds 5 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<>();

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Method run has a Cognitive Complexity of 23 (exceeds 5 allowed). Consider refactoring.

Open

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

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Method main has 81 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public static void main(String[] args) {
        for (int k = 0; k < minSize; k++) {
            stack[k] = new Point();
            path[k] = new Point();
        }

Method countToScore has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.

Open

    private int countToScore(int count, int block, Color color) {
        if (block == 2)
            return 0;
        if (count == 5 && color == myColor)
            return 0x3b9aca00;

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Method readAll has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.

Open

    public void readAll() {
        InputStream input = null;
        BufferedReader br = null;
        InputStreamReader ids = null;
        try {

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Method getPostfix has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.

Open

    public static List<ExpressionWord> getPostfix(Expression expression) {
        List<ExpressionWord> midfix = expression.getWord();  //获取中缀表达式的经过词法分析器分析的结果集
        List<ExpressionWord> result = new ArrayList<>();   //存储后缀表达式结果的List集合
        Stack<ExpressionWord> operationStack = new Stack<>();  //操作符栈

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File SimplexMethodWithFraction.java has 288 lines of code (exceeds 250 allowed). Consider refactoring.

Open

package com.github.kuangcp.simplex.method;

import com.github.kuangcp.math.number.Fraction;
import lombok.extern.slf4j.Slf4j;

Method savedAll has a Cognitive Complexity of 20 (exceeds 5 allowed). Consider refactoring.

Open

    public void savedAll() {
        BufferedWriter bw = null;
        OutputStream out = null;
        OutputStreamWriter os = null;

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Method handleNotification has a Cognitive Complexity of 20 (exceeds 5 allowed). Consider refactoring.

Open

                @Override
                public void handleNotification(Notification notification, Object handback) {
                    //we only handle GARBAGE_COLLECTION_NOTIFICATION notifications here
                    if (notification.getType().equals(GarbageCollectionNotificationInfo.GARBAGE_COLLECTION_NOTIFICATION)) {
                        //get the information associated with this notification

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Method paint has 68 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public void paint(Graphics g) {
        super.paint(g);

        if (Objects.isNull(hero)) {
            hero = new Hero(20, 20, 4);

Consider simplifying this complex logical expression.

Open

                if (t.getX() - halfHeight >= h.getHx() && t.getX() - halfHeight <= h.getHx() + hx
                        && t.getY() - halfWidth >= h.getHy() && t.getY() - halfWidth <= h.getHy() + hy
                        || t.getX() - halfHeight >= h.getHx() && t.getX() - halfHeight <= h.getHx() + hx
                        && t.getY() >= h.getHy() && t.getY() <= h.getHy() + hy
                        || t.getX() - halfHeight >= h.getHx() && t.getX() - halfHeight <= h.getHx() + hx

Consider simplifying this complex logical expression.

Open

                if (leftX >= h.getHx() && leftX <= h.getHx() + hx
                        && upY >= h.getHy() && upY <= h.getHy() + hy
                        || t.getX() >= h.getHx() && t.getX() <= h.getHx() + hx
                        && upY >= h.getHy() && upY <= h.getHy() + hy
                        || rightX >= h.getHx() && rightX <= h.getHx() + hx

Consider simplifying this complex logical expression.

Open

                if (leftX >= h.getHx() && leftX <= h.getHx() + hx
                        && downY >= h.getHy() && downY <= h.getHy() + hy
                        || t.getX() >= h.getHx() && t.getX() <= h.getHx() + hx
                        && downY >= h.getHy() && downY <= h.getHy() + hy
                        || rightX >= h.getHx() && rightX <= h.getHx() + hx

Consider simplifying this complex logical expression.

Open

                if (t.getX() + halfHeight >= h.getHx() - 2 && t.getX() + halfHeight <= h.getHx() + hx
                        && t.getY() + halfWidth >= h.getHy() && t.getY() + halfWidth <= h.getHy() + hy
                        || t.getX() + halfHeight >= h.getHx() - 2 && t.getX() + halfHeight <= h.getHx() + hx
                        && t.getY() >= h.getHy() && t.getY() <= h.getHy() + hy
                        || t.getX() + halfHeight >= h.getHx() - 2 && t.getX() + halfHeight <= h.getHx() + hx

Tank has 24 methods (exceeds 20 allowed). Consider refactoring.

Open

@Slf4j
public abstract class Tank extends AbstractLoopEvent implements VisualItem {
    int x;          // 坦克中心的横坐标
    int y;          // 坦克中心的纵坐标
    int direct = 0;   // 初始方向

Method findDiffIndexPoint has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.

Open

    public static int findDiffIndexPoint(String a, String b) {
        if (StringUtils.equals(a, b)) {
            return 0;
        }
        if (Objects.isNull(a)) {

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Method in has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.

Open

  T in(Class<T> target, InputStream inputStream) {
    T object = null;
    try {
      Reader reader = new InputStreamReader(inputStream);
      BufferedReader bufferedReader = new BufferedReader(reader);

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File TimeWheel.java has 274 lines of code (exceeds 250 allowed). Consider refactoring.

Open

package com.github.kuangcp.time.wheel;

import lombok.extern.slf4j.Slf4j;

import java.time.Duration;

Method findDiffIndex has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.

Open

    public static int findDiffIndex(String a, String b) {
        if (StringUtils.equals(a, b)) {
            return 0;
        }
        if (Objects.isNull(a)) {

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Method saveDataBase has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.

Open

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

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