<dependency>
    <groupId>org.glassfish.jersey.core</groupId>
    <artifactId>jersey-client</artifactId>
    <version>2.25.1</version>
</dependency>

<dependency>
    <groupId>org.glassfish.jersey.media</groupId>
    <artifactId>jersey-media-json-jackson</artifactId>
    <version>2.25.1</version>
</dependency>

 public static void main(String[] args) throws IOException {
		 Map<String, String> map = new HashMap<String, String>();
		 File f=new File("file.txt");
		 System.out.println(f.getAbsolutePath());
	        BufferedReader in = new BufferedReader(new FileReader("file.txt"));
	        String line = "";
	        while ((line = in.readLine()) != null) {
	            String parts[] = line.split("\\s+");
	            map.put(parts[0], parts[1]);
	        }
	        in.close();
	        System.out.println(map.toString());
	}