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Introduction to java access control modifiers
There are four types of java access control modifiers, namely public, protected, private, and default access modifiers. Detailed introduction: 1. Public, public is the loosest access control modifier. Modified classes, methods and variables can be accessed by any other class. When a class, method or variable is declared as public, they can be accessed anywhere be accessed, whether it is a class in the same package or a class in a different package; 2. protected modifier, etc.
What are the java access control modifiers?There are four types of java access control modifiers, namely public, protected, private, and default access modifiers. Detailed introduction: 1. Public, public is the loosest access control modifier. Modified classes, methods and variables can be accessed by any other class. When a class, method or variable is declared as public, they can be accessed anywhere be accessed, whether it is a class in the same package or a class in a different package; 2. protected modifier, etc.
What can be the modifiers of java interfaceThe modifiers of java interface can be abstract and final. The interface can be understood as a special class. The difference is that the members of the interface have no execution body and are composed of global constants and public abstract methods; the methods of the interface are public abstract by default; and variables cannot be defined in the interface. Constants can be defined (with final modification, they will become constants), so the properties of the interface are public static final constants by default and must be assigned an initial value.
What are modifiers of vue directivesIn vue, the modifier of a directive is a special suffix indicated by an English period ".", which is used to indicate that a directive should be bound in a special way; ".passive" and ".prevent" cannot be used together, because when used together ".prevent" will be ignored and the browser will display a warning.
Let’s talk about the modifiers in the Vue command, a summary of common event modifiersThis article will talk about the modifiers in Vue instructions, compare the instruction modifiers in Vue and the event objects in DOM events, and introduce the commonly used event modifiers. I hope it will be helpful to everyone!
What can the modifiers of java interface be?The modifier of a java interface can be "public abstract". The interface is used to describe all the services provided by the system, so the member constants and methods in the interface must be public types; the interface only describes what the system can do, but does not specify how to do it, so the methods in the interface are abstract methods.
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