BE THE CODER > CSV > SUPER CSV Examples

Super CSV is a free library for reading and writing CSV files in Java. We need to have SuperCSV-1.52.jar, spiffy-0.05.jar or later versions in classpath. The following example shows generating a CSV from java beans using Super CSV.

File Name :	com/bethecoder/tutorials/super_csv/tests/Bean2CSV.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.super_csv.tests;



import java.io.IOException;

import java.io.StringWriter;



import org.supercsv.io.CsvBeanWriter;

import org.supercsv.prefs.CsvPreference;



import com.bethecoder.tutorials.super_csv.common.Student;



public class Bean2CSV {



  /**

   * @param args

   * @throws IOException 

   */

  public static void main(String[] args) throws IOException {

    

    StringWriter sw = new StringWriter();

    CsvBeanWriter writer = new CsvBeanWriter(sw, CsvPreference.STANDARD_PREFERENCE);

    

    Student student = new Student("Sriram", 2, "Chess");

    Student student2 = new Student("Sudhakar", 29, "Painting");

    Student student3 = new Student("Charan", 18, "Reading books");

    

    String [] headers = { "name", "age", "hobby" };

    

    writer.writeHeader(headers);

    writer.write(student, headers);

    writer.write(student2, headers);

    writer.write(student3, headers);

    writer.close();

    

    System.out.println("Generated CSV : \n");

    System.out.println(sw.toString());

  }

}

File Name :

com/bethecoder/tutorials/open_csv/common/Student.java


package com.bethecoder.tutorials.open_csv.common;



public class Student {



  private String name;

  private int age;

  private String hobby;

  

  public Student() {

  }



  public Student(String name, int age, String hobby) {

    super();

    this.name = name;

    this.age = age;

    this.hobby = hobby;

  }

  

  public String getName() {

    return name;

  }

  public void setName(String name) {

    this.name = name;

  }

  public int getAge() {

    return age;

  }

  public void setAge(int age) {

    this.age = age;

  }

  public String getHobby() {

    return hobby;

  }

  public void setHobby(String hobby) {

    this.hobby = hobby;

  }

  

  public String toString() {

    return "Student[name = " + name + ", age = " + age + ", hobby = " + hobby + "]";

  }

}

Bean to CSV