question: private String prepareURL ( ) { String str = "http://download.finance.yahoo.com/d/quotes.csv?" ; str += "s=" ; for ( int i = 0 ; i < symbolList . size ( ) ; i ++ ) { if ( i != 0 ) { str += "," ; } str += symbolList . get ( i ) ; } str += "&f=" ; for ( String format : parameterList ) { str += format ; } str += "&e=.csv" ; return str ; }
target:  Prepare URL from symbols and parameters. URL will be something like: http://download.finance.yahoo.com/d/quotes.csv?s=GOOG,FB,YHOO&f=sl1vt1&e=.csv