Loan Pattern using Java8

LoanPattern.java

import java.util.function.Consumer;

class MailBuilder {
    private String from;
    private String to;
    private String subject;
    private String body;

    public MailBuilder from(final String fromAddress) {
        this.from = fromAddress;
        return this;
    }

    public MailBuilder to(final String toAddress) {
        this.to=toAddress;
        return this;
    }

    public MailBuilder subject(final String subject) {
        this.subject=subject;
        return this;
    }

    public MailBuilder body(final String message) {
        this.body=message;
        return this;
    }

    public static void send(final Consumer<MailBuilder> block) {
        final MailBuilder mailer = new MailBuilder();
        block.accept(mailer);
        System.out.println("Email Sent");
    }


}

public class LoanPattern {
    public static void main(String[] args) {
        MailBuilder.send(mailer ->
                mailer.from("[email protected]")
                        .to("[email protected]")
                        .subject("Alert")
                        .body("Tasks Done..."));
    }
}

Loan design implementation using JAVA 8