A type annotation with ElementTypes TYPE_USE and FIELD placed on type argument is placed on the ctor if repeated and on the field if not repeated.

Compile the below and run javap -v Test2.

import java.lang.annotation.*;
import static java.lang.annotation.RetentionPolicy.*;
import static java.lang.annotation.ElementType.*;
import java.util.List;

class Test2<T> {
     String data = "test";
    Object mtest( Test2<T> t){ return null; }
    Object mmtest( Test2<T> t){ return null; }

    Test2< @A @A @C String> T2 = new Test2< String>();
}

@Retention(RUNTIME) @Target({TYPE_USE,FIELD}) @Repeatable( AC.class ) @interface A { }
@Retention(RUNTIME) @Target({TYPE_USE,FIELD}) @interface AC { A[] value(); }

@Retention(CLASS) @Target({TYPE_USE,FIELD}) @Repeatable( CC.class ) @interface C { }
@Retention(CLASS) @Target({TYPE_USE,FIELD}) @interface CC { C[] value(); }