/* This example demonstrates "default package visibility". * Foo is defined in the same directory as PackageVisibility. * Thus, only the Foo private attribute privateInt is really * private. PackageVisibility sees all three other variables. */public class PackageVisibility{    public static void main(String args[])    {	Foo foo = new Foo();	int fooPublic = foo.publicInt;	     // public	int fooPackage = foo.packageInt;     // package	int fooProtected = foo.protectedInt; // default package	// Following is not visible, would cause compiler error//      int fooPrivate = foo.privateInt;    }}