static void Main(string[] args)
{
List <int> lista1 = new ArrayList <int>();
List <String> lista2 = new ArrayList <String>();
lista1.add(1);
lista1.add(4);
lista1.add(3);
lista1.add(7);
lista2.add(" hola");
lista2.add(" Object ");
lista2.add(" Oriented ");
lista2.add(" Programming ");
lista1.delete(3);
Console.WriteLine("---------------------");
Console.WriteLine("El tamaño es:" + lista1.getSize());
Iterator <int> it = lista1.getForwardIterator();
while (it.hasNext())
{
int element = it.next();
Console.WriteLine("Dato: " + element);
}
Console.WriteLine("---------------------");
it = lista1.getReverseIterator();
while (it.hasNext())
{
int element = it.next();
Console.WriteLine("Dato: " + element);
}
Console.WriteLine("---------------------");
Iterator <String> itStrings = lista2.getReverseIterator();
while (itStrings.hasNext())
{
Console.WriteLine(itStrings.next());
}
}
static void Main(string[] args)
{
// Create list of company names from the file
List <string> company_names_from_file = File.ReadAllLines(@"C:\Users\randy\source\repos\coding_challenge\Pathmatics Challenge\FindDuplicateEntry\advertisers.txt").ToList()
// Preprocess all company entries by removing all nonalphanumeric values and convert casing to lowercase
List <String> processed_company_names = new ArrayList <String>();
for (String original_name_entry : company_names_from_file)
{
company_names_from_file.add(original_name_entry.replaceAll("[\\W]|_", "").toLowerCase());
}
Map <String, List <Integer> > map = new HashMap();
for (int index_of_company_name = 0; index_of_company_name < processed_company_names.size(); index_of_company_name++)
{
String index = companyNames.get(index_of_company_name);
if (map.containsKey(index))
{
List <Integer> indexes = map.get(index);
indexes.add(index_of_company_name);
}
else
{
List <Integer> value = new ArrayList <Integer>();
value.add(index_of_company_name);
map.put(key, value);
}
}
List <Integer> duplicateIndexes = new ArrayList <Integer>();
Collection <List <Integer> > indexesOfAll = map.values();
for (List <Integer> indexesOfCompanyNames : indexesOfAll)
{
//if size > 1 then it is duplicate indexes
if (indexesOfCompanyNames.size() > 1)
{
duplicateIndexes.addAll(indexesOfCompanyNames);
}
}
File outputFile = new File("C:/some directory");
try (FileOutputStream outputStream = new FileOutputStream(outputFile)) {
for (Integer indexOfDuplicate : duplicateIndexes)
{
outputStream.write(originalNames.get(indexOfDuplicate).getBytes());
}
}catch (IOException e) {
e.printStackTrace();
}
}