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问题

publicclassPet{privateStringname;publicPet(Stringname){this.name=name;}publicvoidspeak(){S


publicclassPet{privateStringname;publicPet(Stringname){this.name=name;}publicvoidspeak(){System.out.print(name);}}publicclassDogextendsPet{publicDog(Stringname){super(name);}publicvoidspeak(){super.speak();System.out.print(Dog”);}}执行代码Petpet=newDog(京巴”);pet.speak();后输出的内容是哪项?()

A、京巴

B、京巴Dog

C、null

D、Dog京巴

参考答案
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