Basic post http request for java

WebInteraction.java

package main;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;

public class WebInteraction {
	
	public static void main(String[] args) {
		
		try {
			String body = "q=getShops";
			URL url = new URL("http://127.0.0.1/ShoppingList/api/request.php");
		
			HttpURLConnection conn = (HttpURLConnection) url.openConnection();
			conn.setRequestMethod("POST");
			conn.setDoInput(true);
			conn.setDoOutput(true);
			conn.setUseCaches(false);
			conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
			conn.setRequestProperty("Content-Length", String.valueOf(body.length()));
			
			OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
			writer.write(body);
			writer.flush();
			
			BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
			for(String line; (line = reader.readLine()) != null;)
				System.out.println(line);
				
			writer.close();
			reader.close();
		} catch (IOException ex) {
			System.out.println("Exception whilst sending web request: ");
			ex.printStackTrace();
		}
	}
}