多选题Which statements concerning the relationships between the following classes are true?()   class Foo {  int num;   Baz comp = new Baz();   }   class Bar {  boolean flag;   }   class Baz extends Foo {   Bar thing = new Bar();   double limit;   }AA Bar is a Baz.BA Foo has a Bar.CA Baz is a Foo.DA Foo is a Baz.EA Baz has a Bar.

多选题
Which statements concerning the relationships between the following classes are true?()   class Foo {  int num;   Baz comp = new Baz();   }   class Bar {  boolean flag;   }   class Baz extends Foo {   Bar thing = new Bar();   double limit;   }
A

A Bar is a Baz.

B

A Foo has a Bar.

C

A Baz is a Foo.

D

A Foo is a Baz.

E

A Baz has a Bar.


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