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 CSV > OPEN CSV > Read CSV Line by Line

Read CSV Line by Line 

opencsv is a free and open source library for reading and writing CSV files in Java. We need to have opencsv-2.3.jar or later versions in classpath. The following example shows reading a CSV file line by line using opencsv.

  • test1.csv
    aaaa,bbbb,cccc,dddd
    one,two,three,four

File Name  :  
com/bethecoder/tutorials/open_csv/tests/ReadCSV.java 
Author  :  Sudhakar KV
Email  :  kvenkatasudhakar@gmail.com
   
package com.bethecoder.tutorials.open_csv.tests;

import java.io.IOException;
import java.io.InputStreamReader;

import au.com.bytecode.opencsv.CSVReader;

public class ReadCSV {

  /**
   @param args
   @throws IOException 
   */
  public static void main(String[] argsthrows IOException {
    /**
     * Load CSV from classpath
     */
    CSVReader csvReader = new CSVReader(new InputStreamReader(
        ReadCSV.class.getClassLoader().getResourceAsStream("test1.csv")));
    
      String [] rowAsTokens;
      while ((rowAsTokens = csvReader.readNext()) != null) {
        for (String token : rowAsTokens) {
          System.out.print(token + " ");
        }
        System.out.println();
      }
  }

}
   

It gives the following output,
aaaa bbbb cccc dddd 
one two three four 


                    Print

   



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