HTTP code example

Example 1: what does http stand for

Hyper-text Transfer Protocol

Example 2: what is Http

Http Stands for "Hypertext Transfer Protocol."
HTTP is the protocol used to transfer data over the web.
It is part of the Internet protocol suite and defines commands and services used
for transmitting webpage data. ... The HTTP server is typically a web host 
running web server software, such as Apache or IIS.

Example 3: http and how it works

HTTP is a connectionless text based protocol.

Example 4: what is http request made of

1-Http request methods : PUT, POST, DELETE,GET
2-Base URI
3-Resources and Parameters
4-Request Header(which carries metaData)as keyValue pair
5-Request Body

Example 5: http

Http http = new Http();
HttpRequest request = new HttpRequest();
request.setEndpoint('https://th-apex-http-callout.herokuapp.com/animals');
request.setMethod('GET');
HttpResponse response = http.send(request);
// If the request is successful, parse the JSON response.
if (response.getStatusCode() == 200) {
    // Deserialize the JSON string into collections of primitive data types.
    Map<String, Object> results = (Map<String, Object>) JSON.deserializeUntyped(response.getBody());
    // Cast the values in the 'animals' key as a list
    List<Object> animals = (List<Object>) results.get('animals');
    System.debug('Received the following animals:');
    for (Object animal: animals) {
        System.debug(animal);
    }
}

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