Check HTTP Request Response

by vigneshchennai74 Updated: Jan 1, 2023

Java has significant advantages over other languages and environments that make it suitable for just about any programming task java is easy to learn. Contains very usefull libraries like java.net The HttpUrlConnection class allows us to perform basic HTTP requests without the use of any additional libraries. All the classes that we need are part of the java.net package.

Preview of the output that you will get on running this code.

Code

In this solution we have used HttpClient function in java.

sending HTTP POST requests in Java

JavaLines of Code : 27License : CC BY-SA 4.0

package com.*********.xyz;

        import java.io.IOException;
        import java.util.Scanner;
        import java.net.URI;
        import java.net.http.HttpClient;
        import java.net.http.HttpRequest;
        import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws IOException, InterruptedException {
        String body = "this is the message you are going to post!";

        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder()
                .uri(URI.create("http://192.168.1.46:4046/authenticate"))
                .headers("Content-Type", "text/plain;charset=UTF-8")
                .POST(HttpRequest.BodyPublishers.ofString(body))
                .build();
        HttpResponse<String> response = client.send(request,
                HttpResponse.BodyHandlers.ofString());

        System.out.println(response);
        //Should print 200 after sending the response if the server is active
    }
}

Copy the code using the "Copy" button above, and paste it in a Java file in your IDE.
Add Java.io and java.net library and import in java file.
Run the file to get the output.

I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.

I found this code snippet by searching for "Send http request in java" in Kandi. You can try any such use case!

Dependent Library

http-requestby kevinsawicki

Java 3288 Version:6.0

License: Permissive (MIT)

Java HTTP Request Library

Support

Quality

Security

License

Reuse

http-requestby kevinsawicki

Java 3288 Version:6.0 License: Permissive (MIT)

Java HTTP Request Library

Support

Quality

Security

License

Reuse

If you do not have http-request that is required to run the code , You can just install it by clicking on the Library Library. You can search for any dependent library on kandi like http-request.

Environment Test

I tested this solution in the following versions. Be mindful of changes when working with other versions.

The solution is created and executed in java version "1.8.0_251"
The solution is tested in java.io version "2.16.0"

In this solution we are going to Send HTTP post Request in java with simple steps. This process also facilities an easy to use, hassle free method to create a hands-on working version of code which would help us Send HTTP post Request in java.

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