import com.opencsv.CSVReader;
import com.opencsv.CSVWriter;
try {
CSVReader reader = new CSVReader(new FileReader("path/to/your/csvfile.csv"));
String[] nextLine;
while ((nextLine = reader.readNext()) != null) {
for (String item : nextLine) {
System.out.print(item + " ");
}
System.out.println();
}
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
CSVWriter writer = new CSVWriter(new FileWriter("path/to/your/csvfile.csv"));
String[] header = {"Name", "Age", "Location"};
writer.writeNext(header);
String[] data1 = {"John Doe", "25", "USA"};
String[] data2 = {"Jane Smith", "30", "Canada"};
writer.writeNext(data1);
writer.writeNext(data2);
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
