Bael 9473

core-java-modules/core-java-lang-oop-types/src/main/java/com/baeldung/object-class-guide/Car.java

@@ -0,0 +1,76 @@
+import java.util.Objects;
+
+
+/**
+ * Represents a car object, implementing Cloneable and overriding Object methods.
+ *
+ * The class uses standard implementation for equals(), hashCode(), and toString().
+ * The clone() method performs a shallow copy, which is sufficient since 'make' (String)
+ * and 'year' (int) are immutable or primitive.
+ */
+public class Car implements Cloneable {
+    private String make;
+    private int year;
+
+
+    public Car(String make, int year) {
+        this.make = make;
+        this.year = year;
+    }
+
+
+    // Getters for external access (useful for testing)
+    public String getMake() {
+        return make;
+    }
+
+
+    public int getYear() {
+        return year;
+    }
+
+
+    /**
+     * Standard implementation of equals() for value equality.
+     */
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        Car car = (Car) obj;
+        // Use Objects.equals for safe String comparison
+        return year == car.year && Objects.equals(make, car.make);
+    }
+
+
+    /**
+     * Standard implementation of hashCode() based on make and year.
+     */
+    @Override
+    public int hashCode() {
+        return Objects.hash(make, year);
+    }
+
+
+    /**
+     * Standard implementation of toString() for debugging and logging.
+     */
+    @Override
+    public String toString() {
+        return "Car{" +
+               "make='" + make + '\'' +
+               ", year=" + year +
+               '}';
+    }
+
+
+    /**
+     * Overrides the protected clone() method from Object to perform a shallow copy.
+     * This is the standard pattern when implementing the Cloneable marker interface.
+     */
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        // Calls Object's native clone() method
+        return super.clone();
+    }
+}

spring-boot-modules/spring-boot-caching/pom.xml

@@ -15,10 +15,64 @@
     </parent>
 
     <dependencies>
+        <!-- 
+        1. Exclude conflicting Spring dependencies from starters.
+        We must exclude core Spring modules (like core, context, and web) from the starters
+        to prevent classpath collisions with the explicitly declared 6.2.11 versions below.
+        -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-        </dependency>        
+            <exclusions>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-context</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-core</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-beans</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-web</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-webmvc</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-cache</artifactId>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-context</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-core</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-beans</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <!-- 
+        2. Explicitly define Spring Framework dependencies at version 6.2.11 
+        (Required by user for spring-context and spring-context-support)
+        We also include spring-core, spring-beans, and spring-web/spring-webmvc 
+        explicitly to guarantee compatible versions for classes like 
+        AnnotationConfigUtils (context) and CollectionUtils (core/beans).
+        -->
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>
@@ -30,17 +84,28 @@
             <version>6.2.11</version>
         </dependency>
         <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-cache</artifactId>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <version>6.2.11</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+            <version>6.2.11</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>
+            <version>6.2.11</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
+            <version>6.2.11</version>
         </dependency>
+
+        <!-- Other dependencies remain the same -->
+
         <dependency>
             <groupId>org.ehcache</groupId>
             <artifactId>ehcache</artifactId>
@@ -49,6 +114,9 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-test</artifactId>
+            <!-- Note: spring-test version should be managed consistently, but we leave 
+                 it to the parent for simplicity since it's only test scoped. 
+                 If test issues arise, explicitly set the version here. -->
             <scope>test</scope>
         </dependency>
         <dependency>

spring-boot-modules/spring-boot-featureflag-unleash/pom.xml

@@ -43,9 +43,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <configuration>
-                    <compilerArgs>--enable-preview</compilerArgs>
-                </configuration>
+
             </plugin>
         </plugins>
     </build>