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Swift和Objective-C有什么区别?
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#IAGA3I
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2024-07-29 16:17
<ul><li style="text-align: start;">Swift是强类型(静态)语言,有类型推断,Objective-C弱类型(动态)语言</li><li style="text-align: start;">Swift面向协议编程,Objective-C面向对象编程</li><li style="text-align: start;">Swift注重值类型,Objective-C注重引用类型</li><li style="text-align: start;">Swift支持泛型,Objective-C只支持轻量泛型(给集合添加泛型)</li><li style="text-align: start;">Swift支持静态派发(效率高)、动态派发(函数表派发、消息派发)方式,Objective-C支持动态派发(消息派发)方式</li><li style="text-align: start;">Swift支持函数式编程(高阶函数)</li><li style="text-align: start;">Swift的协议不仅可以被类实现,也可以被Struct和Enum实现</li><li style="text-align: start;">Swift有元组类型、支持运算符重载</li><li style="text-align: start;">Swift支持命名空间</li><li style="text-align: start;">Swift支持默认参数</li><li style="text-align: start;">Swift比Objective-C代码更简洁</li></ul>
<ul><li style="text-align: start;">Swift是强类型(静态)语言,有类型推断,Objective-C弱类型(动态)语言</li><li style="text-align: start;">Swift面向协议编程,Objective-C面向对象编程</li><li style="text-align: start;">Swift注重值类型,Objective-C注重引用类型</li><li style="text-align: start;">Swift支持泛型,Objective-C只支持轻量泛型(给集合添加泛型)</li><li style="text-align: start;">Swift支持静态派发(效率高)、动态派发(函数表派发、消息派发)方式,Objective-C支持动态派发(消息派发)方式</li><li style="text-align: start;">Swift支持函数式编程(高阶函数)</li><li style="text-align: start;">Swift的协议不仅可以被类实现,也可以被Struct和Enum实现</li><li style="text-align: start;">Swift有元组类型、支持运算符重载</li><li style="text-align: start;">Swift支持命名空间</li><li style="text-align: start;">Swift支持默认参数</li><li style="text-align: start;">Swift比Objective-C代码更简洁</li></ul>
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