abstract keyword

Others 2019-11-17 17:26:54 views: null

Class methods can be modified

Modified abstract class: abstract class

　　This class can not be instantiated　　

　　Abstract class constructor must be invoked when the subclass is instantiated to facilitate

Modification methods:

　　Abstract method

　　No method body

abstract methods can not be used for private, static methods, final modification methods, final classes

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Origin www.cnblogs.com/ergePython/p/11877035.html

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