多选题10. class Foo { 11. static void alpha() { /* more code here */ } 12. void beta() { /* more code here */ } 13. } Which two are true?()AFoo.beta() is a valid invocation of beta().BFoo.alpha() is a valid invocation of alpha().CMethod beta() can directly call method alpha().DMethod alpha() can directly call method beta().
多选题
10. class Foo { 11. static void alpha() { /* more code here */ } 12. void beta() { /* more code here */ } 13. } Which two are true?()
A
Foo.beta() is a valid invocation of beta().
B
Foo.alpha() is a valid invocation of alpha().
C
Method beta() can directly call method alpha().
D
Method alpha() can directly call method beta().
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