以下哪个正确定义抽象类? A.abstract Animal {abstract void growl();} B.class abstract Animal {abstract void growl();} C.abstract class Animal {abstract void growl();} D.class Animal { abstract void growl(); }
正确答案:C
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以下哪个正确定义抽象类? A.abstract Animal {abstract void growl();} B.class abstract Animal {abstract void growl();} C.abstract class Animal {abstract void growl();} D.class Animal { abstract void growl(); }
正确答案:C