CSVReader reader = new CSVReader(new FileReader("example.csv"));
String[] nextLine;
while ((nextLine = reader.readNext()) != null) {
}
reader.close();
CSVWriter writer = new CSVWriter(new FileWriter("output.csv"));
String[] data = {"1", "John", "Doe"};
writer.writeNext(data);
writer.close();
import au.com.bytecode.opencsv.CSVReader;
import au.com.bytecode.opencsv.CSVWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class CSVOpsExample {
public static void main(String[] args) {
try {
CSVReader reader = new CSVReader(new FileReader("example.csv"));
String[] nextLine;
while ((nextLine = reader.readNext()) != null) {
for (String data : nextLine) {
System.out.print(data + " ");
}
System.out.println();
}
reader.close();
CSVWriter writer = new CSVWriter(new FileWriter("output.csv"));
String[] data = {"1", "John", "Doe"};
writer.writeNext(data);
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
