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interface PackagePackage {
//empty interface
}
//aspectj introduce a method to this interface
privileged aspect aspectWorld {
abstract void PackagePackage.world();
// void test.andy() {
//
// }
}
//class test implements hello interface, and
//method world
class test implements PackagePackage{
public void world() {
System.out.println("hello");
}
public static void main(String[] args) {
test t = new test();
t.world();
}
}
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