1-Dao Sınıfına
public static boolean tcKontrol(
müsterıDomain yenimusterıDomain) {
boolean var = false;
müsterıDomain bulunan müsterıDomain = new müsterıDomain();
try {
Connection conn = ConnectionToDb.getConnection();
Statement stmt = conn.createStatement();
ResultSet rs = stmt
.executeQuery("SELECT * FROM müsterı WHERE tc = '"
+ yeni müsterıDomain.getTc() + "'");
while (rs.next()) {
var = true;
}
stmt.close();
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
return var;
}