Java API Tutorial - Java Properties.load(InputStream inStream)

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Syntax

Properties.load(InputStream inStream) has the following syntax.

public void load(InputStream inStream)  throws IOException

Example

In the following code shows how to use Properties.load(InputStream inStream) method.

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;
//  w w w. j ava  2  s.c  o  m
public class Main {

  public static void main(String[] args) throws Exception {
    Properties prop = new Properties();
    String s = "Chapter Count=200";
    String s2 = "Tutorial Count=15";

    // create a new input and output stream
    FileOutputStream fos = new FileOutputStream("properties.txt");
    FileInputStream fis = new FileInputStream("properties.txt");

    // write the first property in the output stream file
    fos.write(s.getBytes());

    // change the line between the two properties
    fos.write("\n".getBytes());

    // write next property
    fos.write(s2.getBytes());

    // load from input stream
    prop.load(fis);

    // print the properties list from System.out
    prop.list(System.out);

  }
}

The code above generates the following result.

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