Add Java info to README

README.md

@@ -25,7 +25,6 @@ or by running
 
 pip install -i https://pypi.org/simple/ filepattern
 
-
 ## Build and Install
 Alternatively, ``filepattern`` can either be build inside a `conda` environment or independently outside of it directly from the source.
 
@@ -71,6 +70,20 @@ find_package(filepattern REQUIRED)
 target_link_libraries(client_executable PRIVATE filepattern::filepattern)
 ```
 
+### __Java API__
+
+```filepattern``` also supplies a Java API. Maven can be used to build ```filepattern```. After installing Maven, the following steps can be used.
+
+```bash
+git clone https://github.com/PolusAI/filepattern.git
+cd filepattern
+mvn clean install
+```
+
+To build a jar instead of installing filepattern, ```mvn clean package``` can be used in place of ```mvn clean install```.
+
+For more information of the Java API, see the [Java API documentation](https://filepattern.readthedocs.io/en/latest/Java.html)
+
 <h2 id="filepattern-section"> Filepattern </h2>
 
 When only a path to a directory and a pattern are supplied to the constructor of ``filepattern``, ``filepattern`` will iterate over the directory, matching the filenames in the directory to the ``filepattern``. The  ``filepattern`` can either be supplied by  the user or can be found using the ``infer_pattern`` method of ``filepattern``. For example, consider a directory containing the following files,