docs: Fix there is only one <p> tag between 2 paragraphs.

dev-utils/src/main/java/cn/org/codecrafters/devkit/utils/Base64Util.java

@@ -29,10 +29,12 @@ import java.util.Base64;
  * Java standard library for performing the encoding and decoding operations.
  * This utility class offers convenient methods to encode and decode strings
  * with different character sets.
+ * </p>
  * <p>
  * This class is designed as a final class with a private constructor to
  * prevent instantiation. All methods in this class are static, allowing easy
  * access to the Base64 encoding and decoding functionality.
+ * </p>
  * <p>
  * Example usage:
  * <pre>
@@ -46,10 +48,12 @@ import java.util.Base64;
  * String decoded = Base64Util.decode(encoded);
  * System.out.println("Decoded string: " + decoded);
  * </pre>
+ * </p>
  * <p>
  * <b>Note:</b> This utility class uses the default charset (UTF-8) if no
  * specific charset is provided. It is recommended to specify the charset
  * explicitly to ensure consistent encoding and decoding.
+ * </p>
  *
  * @author Zihlu Wang
  * @version 1.0.0

dev-utils/src/main/java/cn/org/codecrafters/devkit/utils/BranchUtil.java

@@ -29,10 +29,12 @@ import java.util.function.Supplier;
  * in Java development by leveraging lambda expressions. It offers convenient
  * methods to replace verbose if...else statements with more concise and
  * expressive functional constructs.
+ * </p>
  * <p>
  * Developers can use the methods in this utility class to streamline their
  * code, enhance readability, and promote a more functional style of
  * programming when dealing with branching logic and conditional statements.
+ * </p>
  * <p>
  * <b>Example:</b>
  * <pre>
@@ -64,11 +66,12 @@ import java.util.function.Supplier;
  *         // do something
  *     });
  * </pre>
- *
+ * </p>
+ * <p>
  * <b>Note:</b>
  * The {@link #and(Boolean...)} and {@link #or(Boolean...)} methods accept any
  * number of boolean expressions.
- * <p>
+ * </p>
  *
  * @param <T> the type of the result to be handled by the methods
  * @author Zihlu Wang
@@ -161,14 +164,18 @@ public final class BranchUtil<T> {
     }
 
     /**
+     * <p>
      * Handles the result of the boolean expressions by executing the
      * appropriate handler based on the result.
+     * </p>
      * <p>
      * If the result is {@code true}, the {@code ifHandler} is executed. If the
      * result is {@code false} and an {@code elseHandler} is provided, it is
      * executed.
+     * </p>
      * <p>
      * Returns the result of the executed handler.
+     * </p>
      *
      * @param ifHandler   the handler to be executed if the result is
      *                    {@code true}
@@ -190,10 +197,13 @@ public final class BranchUtil<T> {
     }
 
     /**
+     * <p>
      * Handles the result of the boolean expressions by executing the provided
      * handler if the result is {@code true}.
+     * </p>
      * <p>
      * Returns the result of the executed handler.
+     * </p>
      *
      * @param ifHandler the handler to be executed if the result is
      *                  {@code true}
@@ -204,12 +214,15 @@ public final class BranchUtil<T> {
     }
 
     /**
+     * <p>
      * Handles the result of the boolean expressions by executing the
      * appropriate handler based on the result.
+     * </p>
      * <p>
      * If the result is {@code true}, the {@code ifHandler} is executed. If the
      * result is {@code false} and an {@code elseHandler} is provided, it is
      * executed.
+     * </p>
      *
      * @param ifHandler   the handler to be executed if the result is
      *                    {@code true}

dev-utils/src/main/java/cn/org/codecrafters/devkit/utils/ChainedCalcUtil.java

@@ -24,7 +24,9 @@ import java.util.function.BiFunction;
 import java.util.function.Function;
 
 /**
+ * <p>
  * Utility class for chained high-precision calculations using BigDecimal.
+ * </p>
  * <p>
  * The ChainedCalcUtil class provides a convenient way to perform chained
  * high-precision calculations using BigDecimal. It allows users to perform
@@ -32,6 +34,7 @@ import java.util.function.Function;
  * and division with customizable precision and scale. By using this utility
  * class, developers can achieve accurate results and avoid precision loss
  * in their calculations.
+ * </p>
  * <p>
  * <b>Usage:</b>
  * <pre>
@@ -80,12 +83,14 @@ import java.util.function.Function;
  *  </pre>
  * The above expressions perform various mathematical calculations using the
  * ChainedCalcUtil class.
+ * </p>
  * <p>
  * <b>Note:</b>
  * The ChainedCalcUtil class internally uses BigDecimal to handle
  * high-precision calculations. It is important to note that BigDecimal
  * operations can be memory-intensive and may have performance implications
  * for extremely large numbers or complex calculations.
+ * </p>
  *
  * @author sunzsh
  * @version 1.0.0

dev-utils/src/main/java/cn/org/codecrafters/devkit/utils/HashUtil.java

@@ -25,12 +25,15 @@ import java.util.Objects;
 import java.util.Optional;
 
 /**
+ * <p>
  * Utility class for performing hash operations on strings.
+ * </p>
  * <p>
  * The HashUtil class provides convenient methods for calculating various hash
  * functions on strings, including MD2, MD5, SHA-1, SHA-224, SHA-256, SHA-384,
  * and SHA-512. It allows developers to easily obtain the hash value of a given
  * string using different algorithms.
+ * </p>
  * <p>
  * Example usage:
  * <pre>
@@ -57,12 +60,14 @@ import java.util.Optional;
  * </pre>
  * The above examples demonstrate how to use the HashUtil class to calculate
  * hash values for a given string using different algorithms.
+ * </p>
  * <p>
  * <b>Note:</b>
  * The hash functions provided by the HashUtil class are one-way hash
  * functions, meaning the original data cannot be retrieved from the hash
  * value. These hash functions are commonly used for data integrity checks and
  * password storage, but they should not be used for encryption purposes.
+ * </p>
  *
  * @author Zihlu Wang
  * @version 1.0.0

dev-utils/src/main/java/cn/org/codecrafters/devkit/utils/MapUtil.java

@@ -24,11 +24,14 @@ import java.util.HashMap;
 import java.util.Map;
 
 /**
+ * <p>
  * MapUtil is a utility class that provides methods for converting objects to
  * maps and maps to objects.
+ * </p>
  * <p>
  * It also provides methods for getting and setting field values using
  * reflection.
+ * </p>
  *
  * @author Zihlu Wang
  * @version 1.0.0

dev-utils/src/main/java/cn/org/codecrafters/devkit/utils/package-info.java

@@ -23,6 +23,7 @@
  * enhance productivity. This package serves as the root package for the module
  * dev-utils, which contains a collection of common utility classes commonly
  * used in all Java Application development.
+ * </p>
  *
  * @author Zihlu Wang
  * @since 1.0.0

devkit-core/src/main/java/cn/org/codecrafters/devkit/core/exceptions/NotImplementedException.java

@@ -24,11 +24,13 @@ package cn.org.codecrafters.devkit.core.exceptions;
  * that represents a situation where a particular method or functionality is
  * not implemented or is currently unavailable in the codebase. It extends the
  * standard {@code RuntimeException} class, making it an unchecked exception.
+ * </p>
  * <p>
  * This exception is typically thrown when developers need to indicate that a
  * specific part of the code is incomplete or requires further implementation.
  * It serves as a placeholder to highlight unfinished sections of the
  * application during development and testing phases.
+ * </p>
  * <p>
  * Usage Example:
  * <pre>
@@ -39,9 +41,11 @@ package cn.org.codecrafters.devkit.core.exceptions;
  *     """);
  * }
  * </pre>
+ * </p>
  * <p>
  * For more information and the latest version of JDevKit, please visit our
  * website <a href="https://codecrafters.org.cn">codecrafters.org.cn</a>.
+ * </p>
  * <p>
  * <h4>Contact</h4>
  * <ul>
@@ -53,6 +57,7 @@ package cn.org.codecrafters.devkit.core.exceptions;
  *         <a href="https://discord.gg/">Discord Community</a>
  *     </li>
  * </ul>
+ * </p>
  *
  * @author Zihlu Wang
  * @version 1.0.0