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java send HTTP GET request

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Cabs answered on October 10, 2021 Popularity 8/10 Helpfulness 4/10

answer java send HTTP GET request

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java send HTTP GET request

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OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder()
  .url("https://www.example.com")
  .build();
Response response = client.newCall(request).execute();

Popularity 8/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: java send

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Contributed on Jul 26 2023

Cabs

0 Answers Avg Quality 2/10

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how to send get request in java

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package com.journaldev.utils;

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

public class HttpURLConnectionExample {

	private static final String USER_AGENT = "Mozilla/5.0";

	private static final String GET_URL = "https://localhost:9090/SpringMVCExample";

	private static final String POST_URL = "https://localhost:9090/SpringMVCExample/home";

	private static final String POST_PARAMS = "userName=Pankaj";

	public static void main(String[] args) throws IOException {

		sendGET();
		System.out.println("GET DONE");
		sendPOST();
		System.out.println("POST DONE");
	}

	private static void sendGET() throws IOException {
		URL obj = new URL(GET_URL);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("GET");
		con.setRequestProperty("User-Agent", USER_AGENT);
		int responseCode = con.getResponseCode();
		System.out.println("GET Response Code :: " + responseCode);
		if (responseCode == HttpURLConnection.HTTP_OK) { // success
			BufferedReader in = new BufferedReader(new InputStreamReader(
					con.getInputStream()));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();

			// print result
			System.out.println(response.toString());
		} else {
			System.out.println("GET request not worked");
		}

	}

	private static void sendPOST() throws IOException {
		URL obj = new URL(POST_URL);
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("POST");
		con.setRequestProperty("User-Agent", USER_AGENT);

		// For POST only - START
		con.setDoOutput(true);
		OutputStream os = con.getOutputStream();
		os.write(POST_PARAMS.getBytes());
		os.flush();
		os.close();
		// For POST only - END

		int responseCode = con.getResponseCode();
		System.out.println("POST Response Code :: " + responseCode);

		if (responseCode == HttpURLConnection.HTTP_OK) { //success
			BufferedReader in = new BufferedReader(new InputStreamReader(
					con.getInputStream()));
			String inputLine;
			StringBuffer response = new StringBuffer();

			while ((inputLine = in.readLine()) != null) {
				response.append(inputLine);
			}
			in.close();

			// print result
			System.out.println(response.toString());
		} else {
			System.out.println("POST request not worked");
		}
	}

}

Popularity 10/10 Helpfulness 5/10 Language java

Source: www.journaldev.com

Tags: get-request get-

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Contributed on Apr 27 2022

Combative Coyote

0 Answers Avg Quality 2/10

java send request

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URL url = new URL("http://example.com");
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestMethod("GET");

Popularity 9/10 Helpfulness 5/10 Language java

Source: www.youtube.com

Tags: java

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Contributed on Oct 10 2021

Jealous Jaguar

0 Answers Avg Quality 2/10

java send HTTP GET request

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