[JUG-Indonesia] Annotation itu gimana?

[Gardiary Jantan]

All, 
ada annotation ini:
public @interface AnAnnotation {
    String nama();
    String alamat();
    int umur() default 0; 
}

trus ini:
@AnAnnotation(
    nama     = "Gue",
    alamat = "Jakarta",
    umur = 30
)
public static void aMethod()
{
  ...
}


trus abis itu gimana? gunanya annotation buat method
itu apa (atau buat suatu class)?
Ngambil nilai2 nama, alamat umur gimana?
Intinya gunanya annotation itu apa? :D


Thanks
Gardiary


      
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