overriding sleep(); overriding fly();// Eagle can have its own style to fly
overriding fly();// Ostrich could not fly !!!}
我如何限制这种情况??因为父类在这里不知道它的子类。Birds类由几个类扩展而来,有些类可以重写,有些类无法重写。
ostrich eggs 80 eggs how to poach eggs?8 ostrich eggs 80 eggs how many eggs does a chicken lay per day?9 ostrich eggs 80 eggs how to poach eggs?10 ostrich eggs 80 eggs do eggs need to be refrigerated?如果我在PH
test]# telnet ostrich-node1 60000Escape character is '^]'.Incorrect header or version mismatch from 192.168.151.50:57502 got version 3 expected version 4Ha