Can't handle properties file

I am using Java to handle properties file. I am trying to reach and read data from myconfig.properties file but it gives me error that says: cannot take null parameter, but the parameter is not null
Please help me to read data from properties file using java:
here is my code:

    Properties p = new Properties();
    p.load(getClass().getResourceAsStream("myconfig.properties"));
    String s = p.getProperty("Name");
    System.out.println(s);

>Solution :

Use file path (file path of property file) as a String and FileInputStream to handle this file path. Then load it to the load method of Properties class.

    String filepathOfYourConfiFile ="C:\\Users\\resha\\IdeaProjects\\FrameWorkProject\\src\\main\\resources\\myconfig.properties";
    FileInputStream read = new FileInputStream(filepathOfYourConfiFile);
    Properties p = new Properties();
    p.load(read);
    String s = p.getProperty("Name");
    System.out.println(s);

Hope it will work

Update:
The above solution will work until you make a Jar file. If you will make a Jar file it will not work as the Rob Spoor mentioned in the comment

Other way is adding the / before the property file name

   p.load(getClass().getResourceAsStream("/myconfig.properties"));