How to use java.net.URLConnection to send and process HTTP requests?

Hello everyone! I'm new to Java and trying to figure out how to send HTTP requests using the standard library. The problem is that I can't properly configure and process the response from the server.\n\nHere's my code:\n```java\nimport java.net.*;\nimport java.io.*;\n\npublic class HttpTest {\n public static void main(String[] args) throws Exception {\n URL url = new URL("http://example.com/api/data");\n URLConnection con = url.openConnection();\n con.setDoOutput(true);\n \n // Sending POST data\n OutputStream os = con.getOutputStream();\n os.write("param1=value1¶m2=value2".getBytes());\n os.flush();\n os.close();\n \n // Reading response\n BufferedReader reader = new BufferedReader(\n new InputStreamRe