Sending http request | Post String data ( JSON ) | with authentication

curl -H "Content-Type: application/json" -X POST  -u myusername:mypassword -d '{"name":"davy jones" , "email":"[email protected]"}' https://myApp.com/api/v1/json

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;

import org.apache.commons.codec.binary.Base64;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;

public class HttpPostReq
{
	public static void main(String args[])
	{
		String restUrl="https://myApp.com/api/v1/json";
		String username="myusername";
		String password="mypassword";
		JSONObject user=new JSONObject();
		user.put("name", "davy jones");
		user.put("email", "[email protected]");
		String jsonData=user.toString();
		HttpPostReq httpPostReq=new HttpPostReq();
		HttpPost httpPost=httpPostReq.createConnectivity(restUrl , username, password);
		httpPostReq.executeReq( jsonData, httpPost);
	}
	
	HttpPost createConnectivity(String restUrl, String username, String password)
	{
		HttpPost post = new HttpPost(restUrl);
		String auth=new StringBuffer(username).append(":").append(password).toString();
		byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(Charset.forName("US-ASCII")));
		String authHeader = "Basic " + new String(encodedAuth);
		post.setHeader("AUTHORIZATION", authHeader);
		post.setHeader("Content-Type", "application/json");
        	post.setHeader("Accept", "application/json");
        	post.setHeader("X-Stream" , "true");
		return post;
	}
	
	void executeReq(String jsonData, HttpPost httpPost)
	{
		try{
			executeHttpRequest(jsonData, httpPost);
		}
		catch (UnsupportedEncodingException e){
			System.out.println("error while encoding api url : "+e);
		}
		catch (IOException e){
			System.out.println("ioException occured while sending http request : "+e);
		}
		catch(Exception e){
			System.out.println("exception occured while sending http request : "+e);
		}
    	finally{
    		httpPost.releaseConnection();
    	}
	}
	
	void executeHttpRequest(String jsonData,  HttpPost httpPost)  throws UnsupportedEncodingException, IOException
	{
		HttpResponse response=null;
    	String line = "";
    	StringBuffer result = new StringBuffer();
    	httpPost.setEntity(new StringEntity(jsonData));
    	HttpClient client = HttpClientBuilder.create().build();
		response = client.execute(httpPost);
		System.out.println("Post parameters : " + jsonData );
		System.out.println("Response Code : " +response.getStatusLine().getStatusCode());
		BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
		while ((line = reader.readLine()) != null){ result.append(line); }
		System.out.println(result.toString());
	}
}

<dependency>
<groupId>com.googlecode.json-simple</groupId>
<artifactId>json-simple</artifactId>
<version>1.1</version>
</dependency>

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.3.3</version>
</dependency>