How to read a classpath file?

1. InputStream in =this.getClass().getResourceAsStream(“SomeTextFile.txt”);
2. InputStream in =this.getClass().getResource(“SomeTextFile.txt”);
3. InputStream in =this.getClass().getResource(“classpath:/SomeTextFile.txt”);
4. InputStream in =this.getClass().getResourceClasspath(“SomeTextFile.txt”);
5. None of these

This method can be used to load files using relative path to the package of the class.