Fixed the issue of java compile for 17

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;