field should package protected

If we invoke the Getpackage method on the class object, we can get the package object that describes the package in which the class is located (the package class is defined in Java.lang). We can also obtain the package object by calling the static

How to install, upgrade, and uninstall software in Linux is an important part of our daily operations. The next CentOS6 system, for example, explains how to manage our packages using the RPM Package Manager, Yum Package Manager, and source code.I.

Java learning-differences between public, private, protected, and other modifiers, privateprotected Public, private, protecte, and default are used to define the access permissions of members in Java, that is, no permission modifier is added before

Public, private, PROTECTE, default are the access rights that are used in Java to define the members, that is, without any permission modifiers before the members. Such as:public class a{void method () {};}Method belongs to the default

Namemust field. Tips: Do not include the word JS, node in name; This name will eventually be part of the URL, command line parameters, directory names, so you cannot start with a dot or underscore; This name may be called in the

Namemust field.Tips: Do not include the word JS, node in name; This name will eventually be part of the URL, command line parameters, directory names, so you cannot start with a dot or underscore; This name may be called in the

Name of packagethe name of the package should avoid conflict with other packages, so choosing a name that is both meaningful and unique is an important aspect of package design. But programmers around the world are developing packages and there is

Namemust field.Tips: Do not include the word JS, node in name; This name will eventually be part of the URL, command line parameters, directory names, so you cannot start with a dot or underscore; This name may be called in the

Namemust field.Tips: Do not include the word JS, node in name; This name will eventually be part of the URL, command line parameters, directory names, so you cannot start with a dot or underscore; This name may be called in the

Namemust field.Tips: Do not include the word JS, node in name; This name will eventually be part of the URL, command line parameters, directory names, so you cannot start with a dot or underscore; This name may be called in the