ttrei

//
// CHALLENGE (work in pairs):
// Move from f(o) -> o.f() and make sure that the code is CQS compliant.
//


// 1 
// Turn on object-thinking and re-design the code accordingly
/*
class CsvParser<T extends Line> { 

ttrei

// CHALLENGE (work in pairs):
// Improve code snippets listed below –
//


// 1 - implement Xml class instead of XmlMarshaller
class XmlMarshaller {
    byte[] marshallToXml(Invoice invoice) {
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        JaxbMarshaller jaxbMarshaller = new JaxbMarshaller(Invoice.class);