WebbThe protected modifier specifies that the member can only be accessed within its own package (as with package-private) and, in addition, by a subclass of its class in another … Webb根据您的代码，您正在创建一个受保护变量的实例，并通过该实例访问受保护变量，这违反了java的规则—受保护变量在包外不可见. 当你在做A=新A；和a.protected根据java标准，您是否尝试访问的受保护成员是非法的
Public vs Protected vs Package vs Private Access Modifier in Java
In the Java programming language, fields, constructors, methods, and classes can be marked with access modifiers. In this tutorial, we'll look at … Visa mer While elements declared as private can be accessed only by the class in which they're declared, the protectedkeyword allows access from sub-classes and … Visa mer First, let's create aclass named FirstClass containing a protectedfield, method, and constructor: With this example, by using the protected keyword, we've … Visa mer In the previous examples, we saw protected fields, methods, and constructors in action. There is one more particular case — a protectedinner class. Let's create … Visa mer WebbIn Java, access modifiers are used to set the accessibility (visibility) of classes, interfaces, variables, methods, constructors, data members, and the setter methods. For example, … the wiggles old trucker
Java Program using protected access modifier
Webb16 sep. 2024 · The protected access modifier provides the same access as the default access modifier, with the addition that subclasses can access protected methods and member variables (fields) of the superclass. This is true even if the subclass is not located in the same package as the superclass. Here is a protected access modifier example: WebbPrivate access modifier is the most restrictive access modifier. A private class, method, or variable can only be accessed within the same class.Protected access modifier allows the class, method, or variable to be accessed within the same package and any subclasses outside the package. VaibhavMojidra Java---Demo-Access-Modifiers master Webbför 2 timmar sedan · 1. The Private keyword is an access modifier used for attributes, methods and constructors. Its only accessible within the declared class. 2. The Protected keyword is an access modifier... the wiggles on the today show