APEX Web Service

HTTP Callout from Apex Class

public class simpleHTTPCallOut {public simpleHTTPCallOut(ApexPages.StandardController controller) { } String ErrorMessage; public void Login() {  ErrorMessage=”;  final string baseUrl = ‘https://login.salesforce.com/‘;  final string username = ‘test@test.com’;  final string password = ‘test@123’;  Http h = new Http();  HttpRequest req = new HttpRequest();…

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