Tous les codes sources "Mais pourquoi ?"page 32

    /**
     *  BLANK_STRING storing "" for comparision
     */
    public static transient String BLANK_STRING = "";
    /**
     * The empty String <code>""</code>.
     *  
     */
    public static final String EMPTY = "";

public void swap(Object a, Object b) {
    Object temp = a;
    a = b;
    b = temp;
}

if !if object_exists(facebook_app) {instance_create(x+0,y+0,facebook_app)} other if object_exists(facebook_app) {with(facebook_app) instance_destroy();}