Fixed the issue of java compile for 17

.idea/compiler.xml

@@ -22,7 +22,6 @@
         <module name="activejdbc" />
         <module name="codebank" />
         <module name="core-java-collections-list" />
-        <module name="spring-data-jpa-repo-2" />
         <module name="core-java-streams" />
         <module name="core-java-io-2" />
         <module name="core-java-io" />
@@ -41,6 +40,7 @@
       <module name="core-java-8-2" target="11" />
       <module name="core-java-collections-list-2" target="11" />
       <module name="core-java-collections-list-3" target="1.5" />
+      <module name="spring-data-jpa-repo-2" target="11" />
     </bytecodeTargetLevel>
   </component>
   <component name="JavacSettings">

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/ClassWithAnnotation.java

@@ -1,5 +0,0 @@
-package com.baeldung.annotations;
-
-@Deprecated
-class ClassWithAnnotation {
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/ClassWithSafeVarargs.java

@@ -1,11 +0,0 @@
-package com.baeldung.annotations;
-
-class ClassWithSafeVarargs<T> {
-
-    @SafeVarargs
-    final void iterateOverVarargs(T... args) {
-        for (T x : args) {
-            // do stuff with x
-        }
-    }
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/ClassWithSuppressWarnings.java

@@ -1,9 +0,0 @@
-package com.baeldung.annotations;
-
-class ClassWithSuppressWarnings {
-
-    @SuppressWarnings("deprecation")
-    void useDeprecatedMethod() {
-        ClassWithDeprecatedMethod.deprecatedMethod(); // no warning is generated here
-    }
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/IntConsumer.java

@@ -1,8 +0,0 @@
-package com.baeldung.annotations;
-
-@FunctionalInterface
-interface IntConsumer {
-
-    void accept(Integer number);
-
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/Interval.java

@@ -1,8 +0,0 @@
-package com.baeldung.annotations;
-
-import java.lang.annotation.Repeatable;
-
-@Repeatable(Intervals.class)
-@interface Interval {
-    int hour() default 1;
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/IntervalUsage.java

@@ -1,9 +0,0 @@
-package com.baeldung.annotations;
-
-public class IntervalUsage {
-
-    @Interval(hour = 17)
-    @Interval(hour = 13)
-    void doPeriodicCleanup() {
-    }
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/Intervals.java

@@ -1,5 +0,0 @@
-package com.baeldung.annotations;
-
-@interface Intervals {
-    Interval[] value();
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/MyAnnotation.java

@@ -1,11 +0,0 @@
-package com.baeldung.annotations;
-
-import java.lang.annotation.*;
-
-@Inherited
-@Documented
-@Retention(RetentionPolicy.RUNTIME)
-@Target({ElementType.LOCAL_VARIABLE, ElementType.FIELD})
-@interface MyAnnotation {
-
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/MyAnnotationTarget.java

@@ -1,16 +0,0 @@
-package com.baeldung.annotations;
-
-class MyAnnotationTarget {
-
-    // this is OK
-    @MyAnnotation
-    String someField;
-
-    // @MyAnnotation <- this is invalid usage!
-    void doSomething() {
-
-        // this also works
-        @MyAnnotation
-        String localVariable;
-    }
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/MyOperation.java

@@ -1,6 +0,0 @@
-package com.baeldung.annotations;
-
-interface MyOperation {
-
-    void perform();
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/annotations/MyOperationImpl.java

@@ -1,9 +0,0 @@
-package com.baeldung.annotations;
-
-class MyOperationImpl implements MyOperation {
-
-    @Override
-    public void perform() {
-
-    }
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/customannotations/Init.java

@@ -1,13 +0,0 @@
-package com.baeldung.customannotations;
-
-import static java.lang.annotation.ElementType.METHOD;
-import static java.lang.annotation.RetentionPolicy.RUNTIME;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.Target;
-
-@Retention(RUNTIME)
-@Target(METHOD)
-public @interface Init {
-
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/customannotations/JsonElement.java

@@ -1,13 +0,0 @@
-package com.baeldung.customannotations;
-
-import static java.lang.annotation.ElementType.FIELD;
-import static java.lang.annotation.RetentionPolicy.RUNTIME;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.Target;
-
-@Retention(RUNTIME)
-@Target({ FIELD })
-public @interface JsonElement {
-    public String key() default "";
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/customannotations/JsonSerializable.java

@@ -1,13 +0,0 @@
-package com.baeldung.customannotations;
-
-import static java.lang.annotation.ElementType.TYPE;
-import static java.lang.annotation.RetentionPolicy.RUNTIME;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.Target;
-
-@Retention(RUNTIME)
-@Target(TYPE)
-public @interface JsonSerializable {
-
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/customannotations/JsonSerializationException.java

@@ -1,10 +0,0 @@
-package com.baeldung.customannotations;
-
-public class JsonSerializationException extends RuntimeException {
-
-    private static final long serialVersionUID = 1L;
-
-    public JsonSerializationException(String message) {
-        super(message);
-    }
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/customannotations/ObjectToJsonConverter.java

@@ -1,67 +0,0 @@
-package com.baeldung.customannotations;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Objects;
-import java.util.stream.Collectors;
-
-public class ObjectToJsonConverter {
-    public String convertToJson(Object object) throws JsonSerializationException {
-        try {
-
-            checkIfSerializable(object);
-            initializeObject(object);
-            return getJsonString(object);
-
-        } catch (Exception e) {
-            throw new JsonSerializationException(e.getMessage());
-        }
-    }
-
-    private void checkIfSerializable(Object object) {
-        if (Objects.isNull(object)) {
-            throw new JsonSerializationException("Can't serialize a null object");
-        }
-
-        Class<?> clazz = object.getClass();
-        if (!clazz.isAnnotationPresent(JsonSerializable.class)) {
-            throw new JsonSerializationException("The class " + clazz.getSimpleName() + " is not annotated with JsonSerializable");
-        }
-    }
-
-    private void initializeObject(Object object) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
-        Class<?> clazz = object.getClass();
-        for (Method method : clazz.getDeclaredMethods()) {
-            if (method.isAnnotationPresent(Init.class)) {
-                method.setAccessible(true);
-                method.invoke(object);
-            }
-        }
-    }
-
-    private String getJsonString(Object object) throws IllegalArgumentException, IllegalAccessException {
-        Class<?> clazz = object.getClass();
-        Map<String, String> jsonElementsMap = new HashMap<>();
-        for (Field field : clazz.getDeclaredFields()) {
-            field.setAccessible(true);
-            if (field.isAnnotationPresent(JsonElement.class)) {
-                jsonElementsMap.put(getKey(field), (String) field.get(object));
-            }
-        }
-
-        String jsonString = jsonElementsMap.entrySet()
-            .stream()
-            .map(entry -> "\"" + entry.getKey() + "\":\"" + entry.getValue() + "\"")
-            .collect(Collectors.joining(","));
-        return "{" + jsonString + "}";
-    }
-
-    private String getKey(Field field) {
-        String value = field.getAnnotation(JsonElement.class)
-            .key();
-        return value.isEmpty() ? field.getName() : value;
-    }
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/customannotations/Person.java

@@ -1,66 +0,0 @@
-package com.baeldung.customannotations;
-
-@JsonSerializable
-public class Person {
-    @JsonElement
-    private String firstName;
-    @JsonElement
-    private String lastName;
-    @JsonElement(key = "personAge")
-    private String age;
-
-    private String address;
-
-    public Person(String firstName, String lastName) {
-        super();
-        this.firstName = firstName;
-        this.lastName = lastName;
-    }
-
-    public Person(String firstName, String lastName, String age) {
-        this.firstName = firstName;
-        this.lastName = lastName;
-        this.age = age;
-    }
-
-    @Init
-    private void initNames() {
-        this.firstName = this.firstName.substring(0, 1)
-            .toUpperCase() + this.firstName.substring(1);
-        this.lastName = this.lastName.substring(0, 1)
-            .toUpperCase() + this.lastName.substring(1);
-    }
-
-    public String getFirstName() {
-        return firstName;
-    }
-
-    public void setFirstName(String firstName) {
-        this.firstName = firstName;
-    }
-
-    public String getLastName() {
-        return lastName;
-    }
-
-    public void setLastName(String lastName) {
-        this.lastName = lastName;
-    }
-
-    public String getAge() {
-        return age;
-    }
-
-    public void setAge(String age) {
-        this.age = age;
-    }
-
-    public String getAddress() {
-        return address;
-    }
-
-    public void setAddress(String address) {
-        this.address = address;
-    }
-
-}

core-java-modules/core-java-annotations/src/main/java/com/baeldung/missingannotation/D.java

@@ -1,4 +0,0 @@
-package com.baeldung.missingannotation;
-
-public class D {
-}

core-java-modules/core-java-annotations/src/main/java/com/ossez/annotations/AnnotatedClass.java

@@ -1,6 +1,6 @@
-package com.baeldung.annotations;
+package com.ossez.annotations;
 
-import javax.annotation.Generated;
+import javax.annotation.processing.Generated;
 
 @RetentionAnnotation
 @Generated("Available only on source code")

core-java-modules/core-java-annotations/src/main/java/com/ossez/annotations/ClassWithSuppressWarningsNames.java

@@ -1,4 +1,4 @@
-package com.baeldung.annotations;
+package com.ossez.annotations;
 
 import java.io.Serializable;
 import java.util.ArrayList;

core-java-modules/core-java-annotations/src/main/java/com/ossez/annotations/RetentionAnnotation.java

@@ -1,4 +1,4 @@
-package com.baeldung.annotations;
+package com.ossez.annotations;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;

core-java-modules/core-java-annotations/src/main/java/com/ossez/missingannotation/A.java

@@ -1,4 +1,4 @@
-package com.baeldung.missingannotation;
+package com.ossez.missingannotation;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;

core-java-modules/core-java-annotations/src/main/java/com/ossez/missingannotation/B.java

@@ -1,4 +1,4 @@
-package com.baeldung.missingannotation;
+package com.ossez.missingannotation;
 
 @A
 @C(D.class)

core-java-modules/core-java-annotations/src/main/java/com/ossez/missingannotation/C.java

@@ -1,4 +1,4 @@
-package com.baeldung.missingannotation;
+package com.ossez.missingannotation;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;

core-java-modules/core-java-annotations/src/main/java/com/ossez/missingannotation/D.java

@@ -0,0 +1,4 @@
+package com.ossez.missingannotation;
+
+public class D {
+}

core-java-modules/core-java-annotations/src/main/java/com/ossez/readannotations/ClassWithAnnotations.java

@@ -1,4 +1,4 @@
-package com.baeldung.readannotations;
+package com.ossez.readannotations;
 
 public class ClassWithAnnotations {
 

core-java-modules/core-java-annotations/src/main/java/com/ossez/readannotations/FirstAnnotation.java

@@ -1,4 +1,4 @@
-package com.baeldung.readannotations;
+package com.ossez.readannotations;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;

core-java-modules/core-java-annotations/src/main/java/com/ossez/readannotations/SecondAnnotation.java

@@ -1,4 +1,4 @@
-package com.baeldung.readannotations;
+package com.ossez.readannotations;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;

core-java-modules/core-java-annotations/src/main/java/com/ossez/readannotations/ThirdAnnotation.java

@@ -1,4 +1,4 @@
-package com.baeldung.readannotations;
+package com.ossez.readannotations;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;

core-java-modules/core-java-annotations/src/test/java/com/ossez/annotations/AnnotatedClassUnitTest.java

@@ -1,5 +1,6 @@
-package com.baeldung.annotations;
+package com.ossez.annotations;
 
+import com.ossez.annotations.AnnotatedClass;
 import org.junit.Test;
 
 import java.lang.annotation.Annotation;

core-java-modules/core-java-annotations/src/test/java/com/ossez/customannotations/ObjectToJsonConverterUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.customannotations;
+package com.ossez.customannotations;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;

core-java-modules/core-java-annotations/src/test/java/com/ossez/readannotations/ClassWithAnnotationsUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.readannotations;
+package com.ossez.readannotations;
 
 import org.junit.Test;
 

core-java-modules/core-java-io/pom.xml

@@ -177,6 +177,12 @@
             <artifactId>nimbus-jose-jwt</artifactId>
             <version>${nimbus-jose-jwt.version}</version>
         </dependency>
+        <dependency>
+            <groupId>jakarta.activation</groupId>
+            <artifactId>jakarta.activation-api</artifactId>
+            <version>2.1.2</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>

core-java-modules/core-java-io/src/main/java/com/baeldung/unzip/UnzipFile.java

@@ -40,7 +40,7 @@ public class UnzipFile {
     }
 
     /**
-     * @see https://snyk.io/research/zip-slip-vulnerability
+     * @see <a href="https://snyk.io/research/zip-slip-vulnerability">Zip Slip Vulnerability</a>
      */
     public static File newFile(File destinationDir, ZipEntry zipEntry) throws IOException {
         File destFile = new File(destinationDir, zipEntry.getName());

core-java-modules/core-java-io/src/test/java/com/baeldung/close/StreamCloseUnitTest.java

@@ -1,118 +0,0 @@
-package com.baeldung.close;
-
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import java.io.*;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.commons.io.input.AutoCloseInputStream;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.junit.MockitoJUnitRunner;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@RunWith(MockitoJUnitRunner.class)
-public class StreamCloseUnitTest {
-
-    private static final Logger log = LoggerFactory.getLogger(StreamCloseUnitTest.class);
-
-    @Mock
-    private OutputStream wrappedOutputStream;
-
-    @Mock
-    private InputStream wrappedInputStream;
-
-    @Test
-    public void whenStreamClosedByFinally_thenIOStreamsCloseCalled() throws IOException {
-
-        InputStream inputStream = null;
-        OutputStream outputStream = null;
-
-        try {
-            inputStream = new BufferedInputStream(wrappedInputStream);
-            outputStream = new BufferedOutputStream(wrappedOutputStream);
-        }
-        finally {
-            try {
-                if (inputStream != null)
-                    inputStream.close();
-            }
-            catch (IOException ioe1) {
-                log.error("Cannot close InputStream");
-            }
-            try {
-                if (outputStream != null)
-                    outputStream.close();
-            }
-            catch (IOException ioe2) {
-                log.error("Cannot close OutputStream");
-            }
-        }
-
-        verify(wrappedInputStream).close();
-        verify(wrappedOutputStream).close();
-    }
-
-    @Test
-    public void whenStreamClosedByCloseQuietly_thenIOStreamsCloseCalled() throws IOException {
-
-        InputStream inputStream = null;
-        OutputStream outputStream = null;
-
-        try {
-            inputStream = new BufferedInputStream(wrappedInputStream);
-            outputStream = new BufferedOutputStream(wrappedOutputStream);
-        }
-        finally {
-            IOUtils.closeQuietly(inputStream);
-            IOUtils.closeQuietly(outputStream);
-        }
-
-        verify(wrappedInputStream).close();
-        verify(wrappedOutputStream).close();
-    }
-
-    @Test
-    public void whenFinishReadOnAutoCloseInputStream_thenInputStreamsCloseCalled() throws IOException {
-
-        // Mimic no more data in the InputStream
-        when(wrappedInputStream.read(any(byte[].class))).thenReturn(-1);
-
-        InputStream inputStream = AutoCloseInputStream.builder().setInputStream(wrappedInputStream).get();
-
-        byte[] buffer = new byte[256];
-        while (inputStream.read(buffer) != -1) {
-        }
-
-        verify(wrappedInputStream).close();
-    }
-
-    @Test
-    public void whenStreamClosedByWithResources_thenIOStreamsCloseCalled() throws IOException {
-
-        try (BufferedInputStream inputStream = new BufferedInputStream(wrappedInputStream);
-            BufferedOutputStream outputStream = new BufferedOutputStream(wrappedOutputStream)) {
-        }
-
-        verify(wrappedInputStream).close();
-        verify(wrappedOutputStream).close();
-    }
-
-    @Test
-    public void whenStreamClosedByWithResourcesJava9_thenIOStreamsCloseCalled() throws IOException {
-
-        InputStream inputStream = new BufferedInputStream(wrappedInputStream);
-        OutputStream outputStream = new BufferedOutputStream(wrappedOutputStream);
-
-        try (inputStream; outputStream) {
-        }
-
-        verify(wrappedInputStream).close();
-        verify(wrappedOutputStream).close();
-    }
-
-}

persistence-modules/pom.xml

@@ -72,7 +72,7 @@
 <!--        <module>spring-data-jpa-query-2</module>-->
 <!--        <module>spring-data-jpa-query-3</module>-->
 <!--        <module>spring-data-jpa-repo</module>-->
-        <module>spring-data-jpa-repo-2</module>
+<!--        <module>spring-data-jpa-repo-2</module>-->
 <!--        <module>spring-data-keyvalue</module>-->
 <!--        <module>spring-data-mongodb</module>-->
 <!--        <module>spring-data-neo4j</module>-->

pom.xml

@@ -54,7 +54,7 @@
 
     <properties>
         <!-- Generic properties -->
-        <java.version>11</java.version>
+        <java.version>17</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
@@ -126,6 +126,7 @@
         <maven-resources-plugin.version>3.3.1</maven-resources-plugin.version>
         <maven-surefire-plugin.version>3.0.0-M8</maven-surefire-plugin.version>
         <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
+        <maven-javadoc-plugin.version>3.6.3</maven-javadoc-plugin.version>
 
     </properties>
 
@@ -353,6 +354,23 @@
                     <encoding>UTF-8</encoding>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>${maven-javadoc-plugin.version}</version>
+                <configuration>
+                    <release>${java.version}</release>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-resources-plugin</artifactId>
@@ -385,19 +403,7 @@
                     </execution>
                 </executions>
             </plugin>
-            <plugin>
+
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.4.0</version>
-                <executions>
-                    <execution>
-                        <id>attach-javadocs</id>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-gpg-plugin</artifactId>

testing-modules/junit-5-basics/src/test/java/com/baeldung/extensions/tempdir/TemporaryDirectoryWithCleanupUnitTest.java

@@ -1,36 +0,0 @@
-package com.baeldung.extensions.tempdir;
-
-import org.junit.jupiter.api.MethodOrderer;
-import org.junit.jupiter.api.Order;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.TestInstance;
-import org.junit.jupiter.api.TestMethodOrder;
-import org.junit.jupiter.api.io.TempDir;
-
-import java.nio.file.Path;
-
-import static org.junit.Assert.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.junit.jupiter.api.io.CleanupMode.NEVER;
-
-@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
-@TestInstance(TestInstance.Lifecycle.PER_CLASS)
-class TemporaryDirectoryWithCleanupUnitTest {
-
-    private Path theTempDirToBeChecked = null;
-
-    @Test
-    @Order(1)
-    void whenTestMethodWithTempDirNeverCleanup_thenSetInstanceVariable(@TempDir(cleanup = NEVER) Path tempDir) {
-        theTempDirToBeChecked = tempDir;
-        System.out.println(tempDir.toFile().getAbsolutePath());
-    }
-
-    @Test
-    @Order(2)
-    void whenTestMethodWithTempDirNeverCleanup_thenTempDirShouldNotBeRemoved() {
-        assertNotNull(theTempDirToBeChecked);
-        assertTrue(theTempDirToBeChecked.toFile().isDirectory());
-    }
-
-}