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- public String givePrivilege(String admin, String username, CopyOnWriteArrayList<Utilizador> users){
- Utilizador u = verifyUsers( users, username);
- Utilizador a = verifyUsers(users, admin);
- if (u != null){ // se o user existir
- if (a.getPrivilegios().equals(true)){ // verifica que é msm admin
- u.setPrivilegios(true);
- message = username + " " + "ja tem privilegios de administrador";
- }
- } else {
- message = "null"; // se o user nao existir
- }
- return message;
- }
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