A.2

B.-1

C.1

D.-3

A.Character

B.char

C.String

D.String[ ]

A.public <T> Iterable<T> foo(Collection<T> arg) { ... } overrides Foo.foo.

B.public <T> Collection<T> foo(Stream<T> arg) { ... } overloads Foo.foo.

C.public Collection<String> foo(Collection<String> arg) { ... } overrides Foo.foo.

D.public <T> List<T> foo(Collection<T> arg) { ... } overrides Foo.foo.

E.public <T> Collection<T> foo(Collection<T> arg) { ... } overloads Foo.foo.

F.public <T> Collection<T> bar(Collection<T> arg) { ... } overloads Foo.foo.

A.3

B.1

C.2

D.4

E.0

A.@Override // position 2public void z() { } // position 3

B.implements A // position 1@Override // position 2

C.@Override // position 3void x () {} // position 3@Override // position 3public void z() { } // position 3

D.public void z() { } // position 3