Скачать или смотреть Selenium Framework for Beginners 17 | What is Properties File | How to use

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Today we will learn What is a properties file
How to create a properties file
How to get data from properties file
How to set data to properties file
Run test using Properties file
helpful tips

Exception Handling -    • Selenium Framework for Beginners 16 | How ...  

What is a properties file

Properties file is a file with .properties as extension
(e.g config.properties)

Is used in Java (and related technologies) to store configurable parameters

Parameters as stored as key:value pairs (key=value)
example:
browser=firefox

How to create a properties file

Create a new file inside your java project and name it with .properties extension.

example config.properties

How to get data from properties file

Step 1 - Create a object of class Properties class
Properties prop = new Properties();

Step 2 - Create a object of class InputStream
InputStream input = new FileInputStream("location of properties file");

Step 3 - Load Properties file
prop.load(input);

Step 4 - Get values from Properties file
prop.getProperty("browser");

How to set data to properties file

Step 1 - Create a object of class Properties class
Properties prop = new Properties();

Step 2 - Create a object of class OutputStream
OutputStream output = new FileOutputStream("location of properties file");

Step 3 - Set values
prop.setProperty("result", "pass");

Step 4 - Store values in properties file
prop.store(output, "comments");

Helpful Tips

Use # or ! to put comments in properties file

Having comments in properties file to describe the configurations are very helpful to understand the use of the config parameter

Use debug mode to troubleshoot in case of any errors

https://en.wikipedia.org/wiki/.proper...

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