⚡ 未使用 Lombok @UtilityClass 修饰的工具类，手动添加 final 关键字和私有构造

ballcat-common/ballcat-common-util/src/main/java/com/hccake/ballcat/common/util/IpUtils.java

@@ -10,7 +10,10 @@ import javax.servlet.http.HttpServletRequest;
  *
  * @author Hccake
  */
-public class IpUtils {
+public final class IpUtils {
+
+	private IpUtils() {
+	}
 
 	/**
 	 * 如果在前端和服务端中间还有一层Node服务 在Node对前端数据进行处理并发起新请求时，需携带此头部信息 便于获取真实IP

ballcat-common/ballcat-common-util/src/main/java/com/hccake/ballcat/common/util/JsonUtils.java

@@ -9,7 +9,10 @@ import java.lang.reflect.Type;
 /**
  * @author lingting 2021/2/25 20:38
  */
-public class JsonUtils {
+public final class JsonUtils {
+
+	private JsonUtils() {
+	}
 
 	@Getter
 	private static JsonTool jsonTool;

ballcat-common/ballcat-common-util/src/main/java/com/hccake/ballcat/common/util/PasswordUtils.java

@@ -17,7 +17,10 @@ import java.nio.charset.StandardCharsets;
  * @version 1.0
  * @date 2019/9/25 15:14
  */
-public class PasswordUtils {
+public final class PasswordUtils {
+
+	private PasswordUtils() {
+	}
 
 	public static final PasswordEncoder ENCODER = new BCryptPasswordEncoder();