supplementarylecture補充講座-wenkub
2023-01-27 08:45:21 本頁面
【正文】 with + () + legs )。 } public String descriptor(){ return I39。 } } This is an alternative way to formulate the Polymorphism example. We make Mammal an abstract class as it is only used to declare a reference type. We can thus still have an array or other co
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