Java

CSV Column Names

See more CSV Examples

Demonstrates how to access CSV column names.

The Chilkat CSV library/component/class is freeware. The downloads for .NET, C++, Perl, Java, Ruby, and Python contain all of the Chilkat classes, some of which are freeware and some of which require licensing.

Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Csv;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example program loads a file (sample.csv)
        // that contains this content:
        //
        // year,color,country,food
        // 2001,red,France,cheese
        // 2005,blue,"United States",hamburger
        // 2008,green,Italy,pasta
        // 1998,orange,Japan,sushi
        //
        // The first row contains the column names.
        // This file is available at:
        // http://www.chilkatsoft.com/testData/sample.csv

        Csv csv = new Csv();

        // Prior to loading the CSV file, indicate that the 1st row
        // should be treated as column names:
        csv.setHasColumnNames(true);

        // Load the CSV records from the file:

        try {
            csv.loadFile("sample.csv");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Display the column names:
        String colName = "";
        int idx = 0;
        for (int i = 0; i < csv.getNumColumns(); i++) {
            colName = csv.getColumnName(i);
            System.out.println(i + ": " + colName);

            // The following line demonstrates to to get the column
            // index given a column name:
            idx = csv.getIndex(colName);
            System.out.println(colName + " is at column index " + idx);
        }
    }
}