Writing to a CSV file example with PrintWriter in Java

An example of writing to a CSV file in Java with the PrintWriter class.

[yohasakura]

"oh printf... everyones favorite.." that cracked me up man... it's the little things!

[sivaprasath]

How to avoid converting String value '14E02' to exponential format in CSV

[dhwqbco]

does the csv file clears itself after every run?

[amichaeel]

How would you write an entire object without calling each child?

[andywang]

Guess who got picked up by YouTube algorithms

[milka]

Export:
public <t> void save(String filename) throws IOException {

File file = new File(filename);

try (PrintWriter zapis = new PrintWriter(file)) {
for (Produkt produkt : produktList) {
+ ";"
+ produkt.getWeight() + ";"
+ produkt.getUnitPrice() + ";"
+ produkt.getQuantity());
}
System.out.println("Zapis się powiódł!");
}
catch (IOException ex) {
throw ex;
}
}



System.out.print("Enter file path to save: ");
scanner.nextLine();
String filename = scanner.nextLine();
shoppingList.save(filename);
System.out.println("Saved successfully.");

import:

public List<string> importData(String filename) throws IOException {

List<string> importedList = new ArrayList<>();
File file = new File(filename);

if (file.exists() && file.canRead()) {

try (Scanner scn = new Scanner(file);) {

while (scn.hasNext()) {
String zdanie = scn.nextLine();
String[] parts = zdanie.split(";");
if (parts.length == 4) {
String name = parts[0];
int weight = Integer.parseInt(parts[1]);
double unitPrice = Double.parseDouble(parts[2]);
int quantity = Integer.parseInt(parts[3]);

Produkt produkt = new Produkt(name, weight, unitPrice, quantity);
produktList.add(produkt);
}

}
}
catch (IOException ex) {
throw ex;
}
}
return importedList;
}



System.out.print("Enter file path to import: ");
scanner.nextLine();
String filePath = scanner.nextLine();

System.out.println("Imported successfully.");