getResourceAsStream properties

 try (InputStream is = getClass().getResourceAsStream("/test.properties")) {
      Properties properties = new Properties();
      properties.load(is);
      ps=new PropertiesPropertySource("main", properties);
    } catch (IOException e) {
      log.error("Something went wrong", e);
    }

 private String getPomPerpertiesPath() {
    String classPath = getClass().getClassLoader().getResource("").getPath();
    String aString = "classes/";
    String targetPath = classPath.substring(0, classPath.lastIndexOf(aString));
    StringBuilder sb = new StringBuilder();
    sb.append(targetPath).append("maven-archiver/pom.properties");
    return sb.toString();
  }*/

  private Properties getProperties(InputStream is) throws IOException {
    Properties properties = new Properties();
    properties.load(is);
    log.info("All defined properties: {}", properties);
    return properties;
  }

  private Properties getProperties(String fileName) throws IOException {
    try (InputStream is = new FileInputStream(new File(fileName))) {
      Properties properties = new Properties();
      properties.load(is);
      log.info("All defined properties: {}", properties);
      return properties;
    }

 System.out.println(getClass().getClassLoader().getResource(""));
 System.out.println(getClass().getClassLoader().getResource("").getPath());
 System.out.println(getClass().getResource(""));
 System.out.println(getClass().getResource("").getPath());

file:/C:/Users/lt32806/git/tempest/tempest-app/tempest-app-report/target/classes/
/C:/Users/lt32806/git/tempest/tempest-app/tempest-app-report/target/classes/
file:/C:/Users/lt32806/git/tempest/tempest-app/tempest-app-report/target/classes/com/citi/simpliciti/tempest/report/
/C:/Users/lt32806/git/tempest/tempest-app/tempest-app-report/target/classes/com/citi/simpliciti/tempest/report/

https://blog.csdn.net/wws921104/article/details/72637050/
http://riddickbryant.iteye.com/blog/436693