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AnnotatedElement isAnnotationPresent() method in Java with Examples

Last Updated : 3 Jan, 2020
The isAnnotationPresent() method of java.lang.AnnotatedElement class is used to check if an annotation of the specified annotation type is present in the class implementing this interface. The method returns a boolean value stating the same. Syntax:
public boolean isAnnotationPresent(Class<T> annotationClass)
Parameter: This method accepts a parameter annotationClass which is the type of the annotation to get. Return Value: This method returns boolean value stating the same. Exception: This method throws:
  • NullPointerException: if the given annotation class is null.
Below programs demonstrate the isAnnotationPresent() method. Example 1:
Output:
AnnotatedElement represented by myAnnotatedElement: class Test If there is any annotation in myAnnotatedElement: true
Example 2:
Output:
AnnotatedElement represented by myAnnotatedElement: class Test If there is any annotation in myAnnotatedElement: false
Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/AnnotatedElement.html#isAnnotationPresent-java.lang.Class-
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