A.java

import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;

public class A {
    public static void main(String[] args) throws  IOException, URISyntaxException {
        String content = String.join("\n",Files.readAllLines(Paths.get(A.class.getResource("/a.properties").toURI()), Charset.defaultCharset()));
        System.out.println(content);
    }
}