Application to send text messages to cell phones [closed]

The first thing you must define is to have the gateway yourself or contract the services of a third party and consume it at crossing an api.

For the first option I recommend you take a look at the different projects in github , Among them I mention:

• link , easy to use, good documentation
• link , business grade, good documentation, a lot of features that make it unique
• link , good, fast and easy to use, you can try it from your computer without much inconvenience

  

For all the previous ones you have to see if there is a client that consumes their respective api

The second option is to use paid services, many already have clients deployed for a multitude of languages including JAVA, including:

• link
• link
• link