Foo.java

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.annotation.ElementType;

@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE, ElementType.METHOD})
public @interface Foo { }

//@Retention(value = RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@interface Val {
//  Class clazz();
}
@interface Bla {
  Class value();
  Class clazz();
}

@Foo @Val(/*clazz = String.class*/) @Bla(value = RetentionPolicy.RUNTIME, clazz = String.class) class Bar {
  Bar(int x) throws NullPointerException {
  }

  int[] foo()[] throws Exception, RuntimeException {
    return null;
  }
}