Send an email using apex class salesforce

 

Solution: Use sendEmail method as shown in the example below

public class EmailController {

    public static void sendEmail() {

        List<String> lstToAddress = new List<String>();

        lstToAddress.add(UserInfo.getUserEmail()); //Add email to whom email needs to be sent

        Messaging.SingleEmailMessage email = new Messaging.SingleEmailMessage();

        email.setToAddresses(lstToAddress);

        email.setSubject('Test Email'); // Give subject of the Email

        String body='Email Content'; // content of the email

        email.setPlainTextBody(body);

        Messaging.sendEmail(new Messaging.SingleEmailMessage[]{email});

        System.debug('Email Sent');

    }

}

Call the method from developer console using below code

EmailController.sendEmail();

Output:

Go through the resource https://developer.salesforce.com/docs/atlas.en-us.apexref.meta/apexref/apex_classes_email_outbound_single.htm to learn more details.