Container in Ax 2012

public class daxTestJob
{
}

public static container test()
{
    container contTest;
    boolean dataInCont = true ;
     
    if (dataInCont)
    {
        contTest += 5;
        contTest += 6;
        contTest += -52;
        contTest += 'DAXDUDE';
    }

    return contTest;
}
public static void main(Args _args)
{
container cont;
 boolean data = true ;    
int i;
cont = daxTestJob::test();
info (strFmt("Length of the container: %1", conLen(cont)));
for (i=1; i <= conLen(cont); i++)
    {
        info (strFmt("container value %1 is %2", i, conPeek(cont, i)));
    }
}