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Java 修饰符 Java 修饰符用于控制类、属性、方法和构造函数的访问权限和行为。它们可以分为两组：访问修饰符: public: 意味着代码对所有类可访问。private: 意味着代码只能在声明的类内部访问。default: 意味着代码只能在同一包中访问。protected: 意味着代码在同一...

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编写Java程序，实现对兵营类的封装，将兵营类中的所有属性设置为私有访问权限，方法设置为公有访问权限

需求说明：实现对兵营类的封装将兵营类中的所有属性设置为私有访问权限。将兵营类中所有属性的赋值方法设置为公有访问权限。要求兵营名称的长度在4～8位之间。要求兵营士兵的人数在100～500之间。实现思路：封装兵营类的实现思路如下：将 Barracks 类中所有的属性均定义为私有访问权限。将已...

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