Using properties files - Java java.util

Java examples for java.util:Properties File

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Description

Using properties files

Demo Code


import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Properties;

public class _001Sample {
  public static void main(String[] args) {
    try {//from  ww w .j  ava 2  s  .  com
      FileOutputStream fos = new FileOutputStream("prop.properties");
      Properties properties = new Properties();
      properties.setProperty("name", "Joe Jack");
      properties.setProperty("address", "#3341,Main 21D,CHD");
      properties.setProperty("school", "Pobeeter");
      properties.store(fos, "This is my prop.properties file");
      fos.close();
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }
    main1(args);
  }

  public static void main1(String[] args) {
    try {
      FileInputStream fis = new FileInputStream("prop.properties");
      Properties properties = new Properties();
      properties.load(fis);
      System.out.println("name=" + properties.getProperty("name"));
      System.out.println("address=" + properties.getProperty("address"));
      System.out.println("school=" + properties.getProperty("school"));
      fis.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}

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