The getAnnotations() method of java.lang.AnnotatedElement class is used to get the annotations present in the class implementing this interface. The method returns an array of annotations present.
Syntax:
public Annotation[] getAnnotations()
Parameter: This method does not accepts any parameter.
Return Value: This method returns an array of annotations present.
Below programs demonstrate the getAnnotations() method.
Example 1:
// Java program to demonstrate// getAnnotations() method  import java.lang.reflect.*;import java.util.*;import java.lang.annotation.*;  @Deprecatedpublic class Test {      public Object obj;      public static void main(String[] args)        throws ClassNotFoundException    {        try {              // returns the Class object            // for this myAnnotatedElement            AnnotatedElement myAnnotatedElement                = Test.class;              System.out.println(                "AnnotatedElement represented"                + " by myAnnotatedElement: "                + myAnnotatedElement.toString());              // Get the annotation            // using getAnnotations() method            System.out.println(                "Annotation of myAnnotatedElement: "                + Arrays.toString(                      myAnnotatedElement                          .getAnnotations()));        }        catch (Exception e) {            System.out.println(e);        }    }} |
AnnotatedElement represented by myAnnotatedElement: class Test
Annotation of myAnnotatedElement: [@java.lang.Deprecated()]
Example 2:
// Java program to demonstrate// getAnnotations() method  import java.lang.reflect.*;import java.util.*;import java.lang.annotation.*;  // create a custom Annotation@Retention(RetentionPolicy.RUNTIME)@interface Annotation {      // This annotation has two attributes.    public String key();      public String value();}  // call Annotation for method// and pass values for annotation@Annotation(key = "GFG", value = "GeeksForGeeks")public class Test {      public Object obj;      public static void main(String[] args)        throws ClassNotFoundException    {          // returns the Class object        // for this myAnnotatedElement        AnnotatedElement myAnnotatedElement            = Test.class;          System.out.println(            "AnnotatedElement represented"            + " by myAnnotatedElement: "            + myAnnotatedElement.toString());          // Get the annotation        // using getAnnotations() method        System.out.println(            "Annotation of myAnnotatedElement: "            + Arrays.toString(                  myAnnotatedElement                      .getAnnotations()));    }} |
AnnotatedElement represented by myAnnotatedElement: class Test
Annotation of myAnnotatedElement: [@Annotation(key=GFG, value=GeeksForGeeks)]
Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/AnnotatedElement.html#getAnnotations–
