Property file java comment

Jesper's Blog - Pluralsight Author Page. Forum: Java in General. Properties file - keeping comments after modifying the the value. Optional 'thank-you' note:. After changing one of the key and store it in a file , i noticed the comments are misssing. How to retain the comments afeter modifying the value.

Paul Sturrock. I like Only one comment is taken from the task and that is passed on to the Properties class to save into the file. The way to get around this is to write your own task that is backed by commons properties instead of java. The commons properties file is backed by a property layout which allows settings comments for individual keys in the properties file.

According to the documentation of the PropertyFile task, you can append the generated properties to an existing file. You could have a properties file with just the comment line, and have the Ant task append the generated properties. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 8 years, 9 months ago.

Active 9 months ago. Spring Boot Framework comes with a built-in mechanism for application configuration using a file called application. Spring Boot provides various properties that can be configured in the application. It's a path inside your project where you place resources. During the build step, Maven will take files in there and place them in the appropriate place for you to use them in your runtime classpath , eg in an executable.

Spring boot provides command line configuration called spring. Here properties file name will be my-config. Another very simple way to read application properties is to use Value annotation.

Simply annotation the class field with Value annotation providing the name of the property you want to read from application. To read the value of app.

Click in a text line, or select multiple lines of text. What does uncomment mean? They are primarily there to supply additional information to make the code easier to read for humans. Follow the steps given below for commenting multiple using the terminal. First, press ESC. Go to the line from which you want to start commenting. Press and it will add a comment to the first line. So you can highlight the block of code then use this shortcut.

This section introduces the features of the PropertiesConfiguration class. Note that Properties Configuration is a very typical example for an implementation of the Configuration interface and many of the features described in this section e. This is because most configuration implementations that ship with Commons Configuration are derived from the common base class AbstractConfiguration , which implements these features.

Below is a simple code which will help you update config. For reading properties file follow this tutorial. You need this.