Java reading properties files in classpath

All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment. If you come across any mistakes or bugs, please email me to [email protected].

Class is a template for multiple objects with similar features and it is a blue print for objects. It defines a type of object according to the data the object can hold and the operations the object can perform.

Constructor is a special kind of method that determines how an object is initialized when created. The getResourceAsStream String name method of ClassLoader class returns an input stream for reading the specified classpath resource or returns null if the resource could not be found. Apart from getting the properties file from classpath, you can also load from other locations directly via FileInputStream or FileReader , for example. You can put the properties file inside a JAR, but then the JAR must be specifically named in the class path if it is being used as a utility jar and not the main application.

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