( )iS a property of object—oriented software by which an abstract operation ma)’be performed in different ways in different classes. A.Method B.Polymorphism C.Inheritance D.Encapsulation
第1题:
C++ is used with proper(66) design techniques.
A.class-oriented
B.object-based
C.face to object
D.object-oriented
第2题:
第3题:
第4题:
第5题:
第6题:
下面CSS语法结构正确的选项有()。
A.selector{property:value}
B.selector{property:value;property:value}
C.selector,selector{property:value}
D.selector,selector{property:value;property:value}