<dependencies>
<dependency>
<groupId>com.opencsv</groupId>
<artifactId>opencsv</artifactId>
<version>5.2</version>
</dependency>
</dependencies>
import com.opencsv.CSVReader;
import java.io.FileReader;
import java.io.IOException;
public class CsvReaderExample {
public static void main(String[] args) {
try {
CSVReader reader = new CSVReader(new FileReader("data.csv"));
String[] nextLine;
while ((nextLine = reader.readNext()) != null) {
for(String cell : nextLine) {
System.out.print(cell + " ");
}
System.out.println();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
import com.opencsv.CSVWriter;
import java.io.FileWriter;
import java.io.IOException;
public class CsvWriterExample {
public static void main(String[] args) {
try {
CSVWriter writer = new CSVWriter(new FileWriter("output.csv"));
String[] header = {"Name", "Age", "Country"};
writer.writeNext(header);
String[] data1 = {"John", "25", "USA"};
writer.writeNext(data1);
String[] data2 = {"Emily", "30", "Canada"};
writer.writeNext(data2);
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
