Ways that the members of a package can be used by other packages - Java

Ways that the members of a package can be used by other packages

There are two ways of affecting access levels.

One, when the classes in the Java platform are used within the developer defined classes, the access levels determine the members of those class which can be used by the developer defined classes.

Two, the access level need to be decided by the developer for the classes or methods defined by him/her.
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