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- import java.io.*;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.List;
- import java.util.stream.Collectors;
- public class JavaClassOne {
- public static void main(String[] args) throws IOException {
- String currentDir = new File(".").getCanonicalPath();
- List<List<Float>> data = new ArrayList<>();
- // wczytanie danych
- try (BufferedReader br = new BufferedReader(new FileReader(currentDir + "/src/moj_plik_tekstowy.txt"))) {
- String line;
- while ((line = br.readLine()) != null) {
- String[] values = line.split(" ");
- Float[] floats = new Float[values.length];
- for (int i = 0; i < values.length; i++) {
- floats[i] = Float.parseFloat(values[i].replace(",", "."));
- }
- data.add(Arrays.asList(floats));
- }
- } catch (IOException e) {
- e.printStackTrace();
- }
- // wyświetlenie danych
- for (var line : data) {
- for (var value : line) {
- System.out.print(value + " ; ");
- }
- System.out.println("");
- }
- System.out.println("-------------------------------------");
- String path = currentDir + "/src/moj_plik_tekstowy.txt";
- BufferedReader br = new BufferedReader(new FileReader(path));
- List<String[]> data2 = br.lines()
- .map(s -> s.split(" "))
- .collect(Collectors.toList());
- for (var line : data2) {
- for (var value : line) {
- System.out.print(value + " ; ");
- }
- System.out.println("");
- }
- }
- }
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