public class MazeGame extends JFrame implements KeyListener { private static final long serialVersionUID = 2L; private static final int TILE_SIZE = 40; private static final int MAZE_WIDTH = 15; private static final int MAZE_HEIGHT = 15; private static final int EXIT_X = MAZE_WIDTH - 2; private static final int EXIT_Y = MAZE_HEIGHT - 2; private boolean[][] maze; private boolean[][] visited; private int playerX; private int playerY; private Stack<Point> path; private Queue<Point> frontier;解释这段代码

public class DelDialog extends JDialog { private static final long serialVersionUID = 1L; private final JPanel contentPanel = new JPanel(); private JTextField textField;

DelDialog类具有一个私有的静态常量serialVersionUID，用于序列化和反序列化。 DelDialog类拥有一个名为contentPanel的JPanel对象，用于存放对话框的内容。 DelDialog类还声明了一个名为textField的JTextField对象...

public class Delete extends JPanel implements ActionListener { private static final long serialVersionUID = 1L; Box box1,box2,baseBox; JButton button; JTextField field;

这个类中包含了三个成员变量：box1、box2和baseBox，它们的类型是Box。还有两个成员变量：button和field，它们的类型分别是JButton和JTextField。这个类的作用是创建一个带有文本框和按钮的面板，并且可以监听按钮...

根据以下代码写出注释public class SnakeGame extends JPanel implements ActionListener, KeyListener { private static final long serialVersionUID = 1L; private static final int WIDTH = 500; private static final int HEIGHT = 500; private static final int DOT_SIZE = 10; private static final int ALL_DOTS = 900; private static final int RAND_POS = 29; private final int x[] = new int[ALL_DOTS];

这段代码定义了一个名为SnakeGame的类，它继承了JPanel类，并实现了ActionListener和KeyListener接口。其中，serialVersionUID是用于序列化的版本号。WIDTH和HEIGHT分别表示游戏窗口的宽度和高度，DOT_SIZE表示蛇身...

解释下列代码public class ServerChat extends JFrame{ private static final long serialVersionUID = 1L; private List<Socket> sockets = new ArrayList<Socket>(); //socket对象集 private List<String> clientname = new ArrayList<String>(); //用户名对象集 private JTextArea contentArea; private JTextArea sendArea; private JComboBox<String> cmb;

这段代码定义了一个名为ServerChat的类，继承了JFrame类。其中包含以下成员变量： - serialVersionUID：一个静态常量，用于在序列化和反序列化中保持版本的兼容性。 - sockets：一个Socket对象的List集合，用于存储...

public class MeiridakaView extends MeiridakaEntity implements Serializable { private static final long serialVersionUID = 1L; public MeiridakaView(){ } public MeiridakaView(MeiridakaEntity meiridakaEntity){ try { BeanUtils.copyProperties(this, meiridakaEntity); } catch (IllegalAccessException | InvocationTargetException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }

这是一个Java类，继承自MeiridakaEntity类，并实现了Serializable接口。它的主要作用是作为MeiridakaEntity的视图类，用于展示实体类的信息。在构造函数中，它调用了父类的默认构造函数。还有一个重载的构造函数，它...

参考下面程序实现猜大小的游戏，有两个按钮，分别表示用户猜大还是猜小。代码内部随机产生一个0-9的数，如果产生的数0-4为小，5-9为大。显示用户是否猜对。import java.awt.Color; import java.awt.event.; import javax.swing.; public class ButtonFrame extends JFrame{ private static final long serialVersionUID = 1L; private JPanel buttonPanel; private static final int DFFAULT_WIDTH=300; private static final int DFFAULT_HEIGHT=200; public ButtonFrame() { setSize(DFFAULT_WIDTH,DFFAULT_HEIGHT);

public class GuessGame extends JFrame { private JPanel buttonPanel; private JLabel resultLabel; private static final int DEFAULT_WIDTH = 300; private static final int DEFAULT_HEIGHT = 200; ...

@TableName("forum") public class ForumView extends ForumEntity implements Serializable { private static final long serialVersionUID = 1L; public ForumView(){ } public ForumView(ForumEntity forumEntity){ try { BeanUtils.copyProperties(this, forumEntity); } catch (IllegalAccessException | InvocationTargetException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }

这段代码是一个Java类的定义，类名为ForumView，它继承自ForumEntity类并实现了Serializable接口。该类带有一个无参构造函数和一个构造函数，构造函数的参数为ForumEntity类的实例。在构造函数中，使用BeanUtils....

/** * 用户对象 sys_user * * @author ruoyi */ public class SysUser extends BaseEntity { private static final long serialVersionUID = 1L; /** 用户ID */ @Excel(name = "用户序号", cellType = ColumnType.NUMERIC, prompt = "用户编号") private String userId;

这段代码定义了一个名为SysUser的Java类，该类继承了另一个类BaseEntity，并定义了一个名为userId的字符串类型的属性。这个属性被注解为@Excel，表示它将被用于生成Excel文件。此外，这个属性被定义为"用户序号"，...

import javax.swing.; import javax.swing.border.EmptyBorder; import java.awt.; import java.text.DecimalFormat; import java.util.regex.*; public class WeightIndex extends JFrame { private static final long serialVersionUID = 1L; private JPanel contentPane; private JLabel titleLabel; private JPanel contentPanel; private JButton submitButton; private ButtonGroup bg; private JPanel sexPanel; private JRadioButton ChinaRadio; private JRadioButton AsiaRadio; private JRadioButton WHORadio; private JPanel whPanel; private JLabel heightLabel; private JLabel weightLabel; private JTextField heightText; private JTextField weightText; private JPanel consolePanel; private JLabel consoleLabel; private JTextField consoleText; 分析一下这段代码

这段代码定义了一个名为WeightIndex的类，继承自JFrame，表示一个窗口应用程序。其中，serialVersionUID是一个用于序列化的静态变量。类中包含了一系列组件，如contentPane、titleLabel、contentPanel...

现有如下要求，模拟博客系统中展示本周热议文章；现实体类、数据层、控制层都已书写完毕，需将业务补全。文章Post实体如下： @Data @Accessors(chain = true) @TableName("m_post") public class Post implements Serializable { private static final long serialVersionUID = 1L; @TableId(value = "id", type = IdType.A

public interface PostMapper extends BaseMapper<Post> { // 查询本周热议文章 List<Post> listHotPostsOfWeek( @Param("startTime") Date startTime, @Param("endTime") Date endTime ); } 2. 在控制...

补完整这段代码，能输出错误package grade; public class Factorial { public long factorial(int n) throws ArgumentException { if (n < 0 || n > 100) { throw new ArgumentException("参数异常！"); } long result = 1; for (int i = 1; i <= n; i++) { result *= i; } return result; } } class ArgumentException extends Exception { /** * */ private static final long serialVersionUID = 1L; public ArgumentException(String message) { super(message); } }

private static final long serialVersionUID = 1L; public ArgumentException(String message) { super(message); } } // 测试代码 public class Test { public static void main(String[] args) { ...

补完整这段代码，能输出参数，并检查参数是否错误package grade; public class Factorial { public long factorial(int n) throws ArgumentException { if (n < 0 || n > 100) { throw new ArgumentException("参数异常！"); } long result = 1; for (int i = 1; i <= n; i++) { result = i; } return result; } } class ArgumentException extends Exception { /* * */ private static final long serialVersionUID = 1L; public ArgumentException(String message) { super(message); } }

private static final long serialVersionUID = 1L; public ArgumentException(String message) { super(message); } } 在上面的代码中，我们实现了计算阶乘的函数 factorial，并在其中检查参数是否合法。...

public class MainActivity extends FragmentActivity implements View.OnClickListener{ public static final int TAB_HOME=0; public static final int TAB_NEAR=1; public static final int TAB_ORDER=2; private ViewPager viewPager; private RadioButton homeBtn; private RadioButton nearBtn; private RadioButton orderBtn;代码解释

这是一个 Android 应用程序中的 MainActivity 类，它继承自 FragmentActivity 类，并实现了 View.OnClickListener 接口。其中，TAB_HOME、TAB_NEAR、TAB_ORDER 是三个常量，分别代表了主页、附近、订单三个页面的...

这是实体类： @Data @TableName("bis_task") public class BisTask extends PageReqVO implements Serializable { private static final long serialVersionUID = 1L; @TableId(value="id" , type = IdType.AUTO) private Integer id; @TableField("task_status") private Integer taskStatus; } 这是前端部分代码： , url: '/bisTask/taskListPage' //数据接口 , method: 'POST' , where: { //添加筛选条件 taskStatus: [4,5,6] } 我要怎么样让前端能显示taskStatus等于4和5和6的数据

可以将 private Integer taskStatus; 改成 @TableField("task_status") private String taskStatus;，然后在前端的 where 中改成： where: { taskStatus: '4,5,6' } 这样前端就能显示 taskStatus ...

public class studentPojo extends BasePojo implements Serializable { private static final long serialVersionUID = 1L;

public class AddBookServlet extends HttpServlet { private static final long serialVersionUID = 1L

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public class studentPojo extends BasePojo implements Serializable { private static final long serialVersionUID = 1L;

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public class Delete extends JPanel implements ActionListener { private static final long serialVersionUID = 1L; Box box1,box2,baseBox; JButton button; JTextField field;

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