├── main
│ ├── java
│ │ └── com
│ │  └── test
│ │   └── core
│ │    ├── bean
│ │     ├── Test.java
│ └── resources
│  └── test
│   ├── test.txt
└── test
 └── java

public class TestDemo {
 public static void main(String args[]) throws InterruptedException, URISyntaxException, IOException {
  BufferedInputStream bufferedInputStream = (BufferedInputStream) Resources.getResource("test/test.txt").getContent();
  byte[] bs = new byte[1024];
  while (bufferedInputStream.read(bs) != -1) {
   System.out.println(new String(bs));
  }
 }
}

public static URL getResource(String resourceName) {
 ClassLoader loader = MoreObjects.firstNonNull(
  Thread.currentThread().getContextClassLoader(),
  Resources.class.getClassLoader());
 URL url = loader.getResource(resourceName);
 checkArgument(url != null, "resource %s not found.", resourceName);
 return url;
}

<dependency>
 <groupId>com.google.guava</groupId>
 <artifactId>guava</artifactId>
 <version>19.0</version>
</dependency>