Updated sources

Author: product-team

README.md

@@ -1,27 +1,14 @@
 # GroupDocs.Viewer Cloud SDK for Java
+
 This repository contains GroupDocs.Viewer Cloud SDK for Java source code. This SDK allows you to work with GroupDocs.Viewer Cloud REST APIs in your Java applications.
 
 ## Requirements
 
-Building the API client library requires [Maven](https://maven.apache.org/) to be installed.
+* Java SE Development Kit 8
 
 ## Installation
 
-To install the API client library to your local Maven repository, execute:
-
-```shell
-mvn install
-```
-
-To deploy it to a remote Maven repository instead, configure the settings of the repository and execute:
-
-```shell
-mvn deploy
-```
-
-Refer to the [official documentation](https://maven.apache.org/plugins/maven-deploy-plugin/usage.html) for more information.
-
-### Maven users
+### Maven
 
 Add following repository and dependency to your project's POM
 
@@ -42,20 +29,32 @@ Add following repository and dependency to your project's POM
 </dependency>
 ```
 
-### Others
-
-At first generate the JAR by executing:
+### Gradle
 
-    mvn package
+Add following repository and dependency to your build.gradle:
 
-Then manually install the following JARs:
+```javascript
+repositories {
+    maven {
+        url "https://repository.groupdocs.cloud/repo/"
+    }
+}
 
-* target/groupdocs-viewer-cloud-21.8.jar
-* target/lib/*.jar
+...
+dependencies {
+    ...
+    implementation 'com.groupdocs:groupdocs-viewer-cloud:21.8'
+}
+```
 
 ## Getting Started
 
-Please follow the [installation](#installation) instruction and execute the following Java code:
+* Please follow the [installation](#installation) instruction
+* Get your AppSID and AppKey at [Dashboard](https://dashboard.groupdocs.cloud) and use them in your code
+* Build and execute
+* Explore more samples at [GitHub](https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-java-samples)
+
+Example:
 
 ```java
 import com.groupdocs.cloud.viewer.client.*;
@@ -88,15 +87,34 @@ public class ApiExample {
 }
 ```
 
+## Manual build and installation from sources
+
+Building the API client library requires [Maven](https://maven.apache.org/) to be installed.
+Refer to the [official documentation](https://maven.apache.org/plugins/maven-deploy-plugin/usage.html) for more information.
+
+At first generate the JAR by executing following command in "/src" working directory:
+
+```shell
+mvn package -D maven.test.skip=true
+```
+
+Then manually install the following JARs:
+
+* target/groupdocs-viewer-cloud-21.8.jar
+* target/lib/*.jar
+
 ## Licensing
+
 All GroupDocs.Viewer Cloud SDKs are licensed under [MIT License](LICENSE).
 
 ## Resources
-+ [**Website**](https://www.groupdocs.cloud)
-+ [**Product Home**](https://products.groupdocs.cloud/viewer)
-+ [**Documentation**](https://docs.groupdocs.cloud/display/viewercloud/Home)
-+ [**Free Support Forum**](https://forum.groupdocs.cloud/c/viewer)
-+ [**Blog**](https://blog.groupdocs.cloud/category/viewer)
+
+* [**Website**](https://www.groupdocs.cloud)
+* [**Product Home**](https://products.groupdocs.cloud/viewer)
+* [**Documentation**](https://docs.groupdocs.cloud/display/viewercloud/Home)
+* [**Free Support Forum**](https://forum.groupdocs.cloud/c/viewer)
+* [**Blog**](https://blog.groupdocs.cloud/category/viewer)
 
 ## Contact Us
+
 Your feedback is very important to us. Please feel free to contact us using our [Support Forums](https://forum.groupdocs.cloud/c/viewer).