问题:
class A {
A() { }
}
class B extends A {
}
Which two statements are true?()
A . Class B’s constructor is public.
B . Class B’s constructor has no arguments.
C . Class B’s constructor includes a call to this().
D . Class B’s constructor includes a call to super().
class A {
A() { }
}
class B extends A {
}
Which two statements are true?()
● 参考解析
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