domenica 8 luglio 2012

Question and answer: pre-intervew

Ma come si svolge un colloquio a Londra presso un azienda informatica? Il processo completo lo spiegherò in dettaglio in un post successivo ma in questo vi fornisco un piccolo suggerimento. L'azienda appena approccia un potenziale candidato, effettua un primo test ponendo diversi quesiti. Questi servono a capire se il candidato ha le basi e se può partecipare ad una interview face to face.Ad esempio per un ruolo come java developer le domande potrebbero essere queste:

1)      What blogs, publications, and websites do regularly you use to keep up to date with the latest technologies? Do you actively contribute to any of them?

2)      In the following example, which features of the Java language are illustrated in (a) methodOne’s parameter list, and (b) the ‘for’ loop?
   class MyNewClass {
       public static void methodOne(String s, String t, Integer ... ii) {
              for(int jj : ii) {
                     System.out.print(jj + " " + s + " " + t);

     3)      Our clients operate in a global market, therefore our applications must operate in many different countries.  Name two basic data types whose format varies between countries, that software must account for.
      4)      Simplify the following section of code.
   public void showCollection (Collection collection) {
         Iterator ii = collection.iterator();
         for(int kk = 0; kk < collection.size(); kk++) {
                 MyClass one = (MyClass);

      5)      What feature of the Java programming language is the following code an example of? If you’ve used the feature to solve a problem, please give an example.
   Class c = Class.forName("java.lang.String");
   Method m[] = c.getDeclaredMethods();
     6)      What type of design pattern is this? Can you name one or more potential issues with this pattern?
   public class MyObject {
       private static final MyObject INSTANCE = new MyObject();
private MyObject () {}
public static MyObject getInstance() {
return INSTANCE;

    Sei pronto per questo tipo di domande?

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