Example of get and post requests using Java.

HttpSender.java

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import javax.net.ssl.HttpsURLConnection;
 
public class HttpSender { 
  public static void main(String[] args) throws Exception {
 
    HttpSender http = new HttpSender();
 
    http.getRequest("http://caseyscarborough.com");    
    http.postRequest("https://selfsolve.apple.com/wcResults.do", "sn=C02G8416DRJM&cn=&locale=&caller=&num=12345");
  }

  private void getRequest(String url) throws Exception {
    URL obj = new URL(url);
    HttpURLConnection conn = (HttpURLConnection) obj.openConnection();

    conn.setRequestMethod("GET");
    int responseCode = conn.getResponseCode();
 
    BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    
    String inputLine;
    StringBuffer response = new StringBuffer();
 
    while ((inputLine = in.readLine()) != null) { response.append(inputLine); }
    
    in.close();
    System.out.println(response.toString());
  }
 
  private void postRequest(String url, String params) throws Exception {
 
    URL obj = new URL(url);
    HttpsURLConnection conn = (HttpsURLConnection) obj.openConnection();
 
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
    conn.setDoOutput(true);

    DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
    wr.writeBytes(params);
    wr.flush();
    wr.close();
 
    int responseCode = conn.getResponseCode();
 
    BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    String inputLine;
    StringBuffer response = new StringBuffer();
 
    while ((inputLine = in.readLine()) != null) { response.append(inputLine); }

    in.close();
    System.out.println(response.toString());
  } 
}