What is the use of @valid annotation?

The @Valid annotation is a key feature of Bean Validation, as it allows to validate object graphs with a single call to the validator. To make use of it all fields that should be recursively checked should be annotated with @Valid .

What is jsr303 validation?

JSR-303 bean validation is a specification whose objective is to standardize the validation of Java beans through annotations. The objective of the JSR-303 standard is to use annotations directly in a Java bean class.

How does bean validation work?

Very basically, Bean Validation works by defining constraints to the fields of a class by annotating them with certain annotations. Then, you pass an object of that class into a Validator which checks if the constraints are satisfied.

What is Java Bean validation?

Bean Validation is a Java specification which. lets you express constraints on object mode

Electronic Signature
Features
All Features
Annotate Required Field Form

Annotate Required Field Form. Use eSignature Tools that Work Where You Do.

Electronic Signature
Features
All Features
Annotate Required Field Form

Sign documents online

Learn more

Collect payments & signatures

Learn more

Add wet ink signature online

Learn more

Sign documents on iPhone or iPad

Learn more

Award-winning eSignature solution

Do more on the web with a globally-trusted eSignature platform

You can make eSigning workflows intuitive, fast, and effective for your clients and team members. Get your paperwork signed in a matter of minutes

Real-time accessibility coupled with instant notifications means you’ll never miss anything. Check statistics and document progress via detailed reports and dashboards.

airSlate SignNow lets you sign on any system from any place, regardless if you are working remotely from home or are in person at your workplace. Every signing experience is versatile and customizable.

Your electronic signatures are legally valid. airSlate SignNow ensures the top-level compliance with US and EU eSignature laws and supports industry-specific regulations.

airSlate SignNow delivers a annotate required field form function that helps simplify document workflows, get contracts signed immediately, and work seamlessly with PDFs.

Benefit from easy-to-install airSlate SignNow add-ons for Google Docs, Chrome browser, Gmail, and much more. Try airSlate SignNow’s legally-binding eSignature capabilities with a mouse click

See airSlate SignNow eSignatures in action

Create secure and intuitive eSignature workflows on any device, track the status of documents right in your account, build online fillable forms – all within a single solution.

Try airSlate SignNow with a sample document

Complete a sample document online. Experience airSlate SignNow's intuitive interface and easy-to-use tools
in action. Open a sample document to add a signature, date, text, upload attachments, and test other useful functionality.

sample

Checkboxes and radio buttons

Try a sample document

sample

Request an attachment

Try a sample document

sample

Set up data validation

Try a sample document

airSlate SignNow solutions for better efficiency

Keep contracts protected

Enhance your document security and keep contracts safe from unauthorized access with dual-factor authentication options. Ask your recipients to prove their identity before opening a contract to annotate required field form.

Stay mobile while eSigning

Install the airSlate SignNow app on your iOS or Android device and close deals from anywhere, 24/7. Work with forms and contracts even offline and annotate required field form later when your internet connection is restored.

Integrate eSignatures into your business apps

Incorporate airSlate SignNow into your business applications to quickly annotate required field form without switching between windows and tabs. Benefit from airSlate SignNow integrations to save time and effort while eSigning forms in just a few clicks.

Generate fillable forms with smart fields

Update any document with fillable fields, make them required or optional, or add conditions for them to appear. Make sure signers complete your form correctly by assigning roles to fields.

Close deals and get paid promptly

Collect documents from clients and partners in minutes instead of weeks. Ask your signers to annotate required field form and include a charge request field to your sample to automatically collect payments during the contract signing.

Collect signatures

24x

faster

Reduce costs by

$30

per document

Save up to

40h

per employee / month

Our user reviews speak for themselves

Kodi-Marie Evans

Director of NetSuite Operations at Xerox

airSlate SignNow provides us with the flexibility needed to get the right signatures on the right documents, in the right formats, based on our integration with NetSuite.

Check 5000+ reviews

Samantha Jo

Enterprise Client Partner at Yelp

airSlate SignNow has made life easier for me. It has been huge to have the ability to sign contracts on-the-go! It is now less stressful to get things done efficiently and promptly.

Check 5000+ reviews

Megan Bond

Digital marketing management at Electrolux

This software has added to our business value. I have got rid of the repetitive tasks. I am capable of creating the mobile native web forms. Now I can easily make payment contracts through a fair channel and their management is very easy.

Check 5000+ reviews

be ready to get more

Why choose airSlate SignNow

Free 7-day trial. Choose the plan you need and try it risk-free.
Honest pricing for full-featured plans. airSlate SignNow offers subscription plans with no overages or hidden fees at renewal.
Enterprise-grade security. airSlate SignNow helps you comply with global security standards.

Start free trial

Your step-by-step guide — annotate required field form

Access helpful tips and quick steps covering a variety of airSlate SignNow’s most popular features.

Annotate required field form. Get highest performance from the most trusted and secure eSignature system. Simplify your electronic transactions using airSlate SignNow. Automate workflows for everything from simple employee records to challenging contracts and purchase templates.

Learn how to Annotate required field form:

Upload a series of pages from your computer or cloud storage space.
Drag & drop custom fillable fields (signature, text, date/time).
Modify the fields sizing, by tapping it and choosing Adjust Size.
Insert dropdowns and checkboxes, and radio button groups.
Edit signers and request attachments.
Annotate required field form.
Add the formula where you require the field to appear.
Apply comments and annotations for the signers anywhere on the page.
Save all modifications by simply clicking DONE.

Connect people from inside and outside your enterprise to electronically work on essential signNows and Annotate required field form anytime and on any system using airSlate SignNow. You can track every activity completed to your documents, get alerts an audit statement. Remain focused on your business and customer relationships while with the knowledge that your data is accurate and protected.

How it works

Upload a document

Edit & sign it from anywhere

Save your changes and share

airSlate SignNow features that users love

Speed up your paper-based processes with an easy-to-use eSignature solution.

Edit PDFs
online

Generate templates of your most used documents for signing and completion.

Learn more

Create a signing link

Share a document via a link without the need to add recipient emails.

Learn more

Assign roles to signers

Organize complex signing workflows by adding multiple signers and assigning roles.

Learn more

Create a document template

Create teams to collaborate on documents and templates in real time.

Learn more

Add Signature fields

Get accurate signatures exactly where you need them using signature fields.

Learn more

Archive documents in bulk

Save time by archiving multiple documents at once.

Learn more

Connect airSlate SignNow to your apps

Check out airSlate SignNow integrations

Data accuracy, security, and compliance

airSlate SignNow is committed to protecting your sensitive information by complying with global industry-specific

Learn more about security

See exceptional results Annotate required field form. Use eSignature Tools that Work Where You Do.

Get signatures on any document, manage contracts centrally and collaborate with customers, employees, and partners more efficiently.

How to submit and sign a PDF online

Check out the quickest approach to annotate required field form. Prevent paper-based workflows and deal with documents right from airSlate SignNow. Make ready and send your forms from the business office or easily work on-the-go. No set up or extra application required. All benefits are available online, go to signnow.com and configure your personal eSignature process.

A brief manual on how to annotate required field form within minutes

Register an airSlate SignNow profile (if you haven't signed up yet) or sign in using your Google or Facebook.
Just click Upload and select your PDFs.
Take advantage of the My Signature to make your signature.
Turn the sample into a dynamic PDF with fillable fields.
Complete your contract and then click Done.

Once completed, send out an invite to sign to a number of users. Receive an enforceable commitment within minutes employing any system. Find a lot more functions for making professional PDFs; add fillable fields annotate required field form and work together in groups. The eSignature solution gives a protected process and runs in accordance with SOC 2 Type II Certification. Be sure that all your records are protected and therefore no person can change them.

How to eSign a PDF template in Google Chrome

Searching for a service to annotate required field form directly from Chrome? The airSlate SignNow extension for Google is here to assist. Get a PDF file and right from the web browser effortlessly open it with the editor. Add more fillable fields for textual content and signature. eSign the PDF template and send out it safely based on GDPR, SOC 2 Type II Certification and more.

Employing this simple how-to guide below, boost up your eSignature workflow into Google and annotate required field form:

Go to the Chrome web store and find the airSlate SignNow extension.
Simply click Add to Chrome.
Sign in to the account or create a new one.
Upload a document and click on Open in airSlate SignNow.
Change the PDF file.
Sign the PDF file utilizing the My Signature instrument.
Simply click Done to confirm the edits.
Ask other participants to eSign by simply clicking Invite to Sign and choosing their email addresses/names.

Make a signature that's built-in to your processes to annotate required field form and have PDFs eSigned within minutes. Leave behind the piles of paperwork located on your workplace and start saving money and time for extra significant activities. Picking out the airSlate SignNow Google extension is an awesome convenient decision with a lot of benefits.

How to eSign an attachment in Gmail

If you're like most, you're used to downloading the PDFs you get, printing them out then signing them, isn't it? Okay, we certainly have great news to suit your needs. Putting your signature on PDF files within your email just became less complicated. The airSlate SignNow add-on for Gmail allows you to annotate required field form without leaving your mailbox. Do everything that you need; put fillable fields and send out signing links in clicks.

How to annotate required field form in Gmail:

Get airSlate SignNow for Gmail in the G Suite Marketplace and click on Install.
Sign in to your airSlate SignNow account or create a new one.
Open up your message with the PDF file you need to sign.
Click on Upload to save the document to your airSlate SignNow account.
Click on Open document to open the editor.
Sign the PDF making use of My Signature.
Send out a signing request for the other customers using the Send to Sign button.
Enter in their email and click OK.

As a result, the other participants will receive notifications letting them know to sign the document. No need to download the attachment time and time again, just annotate required field form in a few clicks. This add-one is ideal for those who like concentrating on more significant goals instead of burning up time for nothing. Increase your day-to-day routine with the award-winning eSignature platform.

How to sign a PDF file on the go without an app

For many service, getting deals accomplished on the go means the installation of an application on your phone. We're pleased to say at airSlate SignNow we've made singing on the go faster and easier by reducing the need for an app. To eSign, open up your browser (any mobile browser) and take immediate access to airSlate SignNow and all of its powerful eSignature features. Change docs, annotate required field form and a lot more. No installation or additional software necessary. Close up your offer from any place.

Take a look at our step-by-step guidelines that show you how you can annotate required field form.

Open up your browser and visit signnow.com.
Log in or register a new profile.
Add or open the document you wish to modify.
Add fillable fields for text, eSignature and date/time.
Draw, type or upload your eSignature.
Click on Save and Close.
Just click Invite to Sign and put in a recipient's electronic address if you need others to eSign the PDF.

Close deals with smartphone is no different than with a desktop: make a reusable template, annotate required field form and deal with the documentation as you would typically. In several minutes, receive an enforceable commitment that you can download to your internal storage and send out to others. However, if you really want an application, download the airSlate SignNow app. It's comfortable, fast and has an excellent interface. Try out effortless eSignature workflows from your office, in a taxi or on a plane.

How to sign a PDF using an iPhone

iOS is certainly a popular operating system loaded with native tools. It enables you to eSign and modify PDFs making use of Preview without having extra software. However, as excellent as Apple's option is, it doesn't provide any automation. Enhance your iPhone's abilities by benefiting from the airSlate SignNow app. Use your iPhone or iPad to annotate required field form and much more. Present eSignature automation to your mobile processes.

Inserting your signature on an iPhone has never been easier:

Find the airSlate SignNow app in the AppStore and set it up.
Create a new account or log in with the Facebook or Google.
Simply click Plus and add the PDF you need to sign.
Tap in the document where you would like to place your signature.
Explore other features: put in fillable fields or annotate required field form.
Click on Save button to make the adjustments.
Send your PDFs through email or a singing link.

Create a professional-looking PDFs right from your airSlate SignNow iPhone app. Get the most from your time and work from anywhere; at home, the workplace, on a bus or plane, as well as at the beach. Handle a full document workflow smoothly: generate reusable templates, annotate required field form and work on documents with business partners. Transform your device into a powerful company for executing contracts.

How to eSign a PDF file using an Android

For Android users to handle PDF files from their phone, they must set up extra software program. The Play Market is large and plump with choices, so choosing a good program isn't too difficult in case you have time to read through a huge selection of programs. To save your efforts and prevent aggravation, we advise airSlate SignNow for Android. Save and edit documents, make signing roles, and also annotate required field form.

The 9 basic steps to optimizing your mobile workflow:

Open up the application.
Sign in using your Facebook or Google profiles or register if you haven't signed up yet.
Select + to add your document taking advantage of your camera, internal or cloud storages.
Click anyplace on the PDF and insert your eSignature.
Just click OK to agree and sign.
Check much more editing functions; include graphics, annotate required field form, build a reusable template, and many others.
Click Save to make modifications once you finish.
Download the PDF or send out it via mail.
Use the Invite to sign feature if you would like establish & send out a signing order to recipients.

Change the mundane and routine into easy and smooth with the airSlate SignNow mobile app for Android. eSign and share documents for eSignature from anywhere you're connected to the internet. Generate good-looking PDFs and annotate required field form with a few clicks. Assembled a perfect eSignature workflow with just your mobile phone and improve your total efficiency.

be ready to get more

Get legally-binding signatures now!

Start your free trial

FAQs

Here is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.

Need help? Contact support

What is the use of @valid annotation?

The @Valid annotation is a key feature of Bean Validation, as it allows to validate object graphs with a single call to the validator. To make use of it all fields that should be recursively checked should be annotated with @Valid .
What is jsr303 validation?

JSR-303 bean validation is a specification whose objective is to standardize the validation of Java beans through annotations. The objective of the JSR-303 standard is to use annotations directly in a Java bean class.
How does bean validation work?

Very basically, Bean Validation works by defining constraints to the fields of a class by annotating them with certain annotations. Then, you pass an object of that class into a Validator which checks if the constraints are satisfied.
What is Java Bean validation?

Bean Validation is a Java specification which. lets you express constraints on object mode

What active users are saying — annotate required field form

Get access to airSlate SignNow’s reviews, our customers’ advice, and their stories. Hear from real users and what they say about features for generating and signing docs.

This service is really great! It has helped...

5

anonymous

This service is really great! It has helped us enormously by ensuring we are fully covered in our agreements. We are on a 100% for collecting on our jobs, from a previous 60-70%. I recommend this to everyone.

Read full review

I've been using airSlate SignNow for years (since it...

5

Susan S

I've been using airSlate SignNow for years (since it was CudaSign). I started using airSlate SignNow for real estate as it was easier for my clients to use. I now use it in my business for employement and onboarding docs.

Read full review

Everything has been great, really easy to incorporate...

5

Liam R

Everything has been great, really easy to incorporate into my business. And the clients who have used your software so far have said it is very easy to complete the necessary signatures.

Read full review

How do I insert an electronic signature into a Word document?

Manage deals online and insert a digital signature into a Word document without third-party tools. Adding an eSignature is easier than ever. No need to convert Word to PDF or authenticate an eSignature. Just use airSlate SignNow and eSign right from your account. From your Dashboard, browse for documents by clicking Upload Documents, and upload the one you want to sign. Once it’s opened click My Signature from the left-hand toolbar and drag and drop it anywhere you need it. After that, simply create your signature by drawing it, typing it, or uploading it. Start your airSlate SignNow free trial now!

How do I electronically sign a PDF document on my computer?

To sign PDF documents on a computer, users need to employ an eSignature solution like airSlate SignNow. Once they create their own account, they can upload a PDF and sign it electronically. To sign PDFs in airSlate SignNow, upload a PDF to your Dashboard, open the document, click on My Signature if you need to eSign or on Signature Field if a recipient needs to eSign. Once either element type is added, you’ll either create your own eSignature and apply it, or you’ll assign the signature field you added to a recipient.

How can I edit and sign a PDF?

Use airSlate SignNow instead of wasting time on other less advanced tools. Once you create an account, you can easily add fillable fields to your PDF: text, date/time, dropdowns, formulas, and checkmarks. Just upload a file, open it, and choose any of the options from the left-hand menu. Click on My Signatures to add your very own eSignature to the document. Type it, draw it, or insert a picture. You can also send the PDF for signing right from your account. The whole process only takes a couple of minutes. Take advantage of airSlate SignNow today!

The ins and outs of eSignature

Find everything you need to know about electronic signatures. We’ve collected all the best tips and step-by-step instructions for working with eSignatures in a single place.