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I have a java web application(.war) that i need to be license secured.My web application is targeted to deploy on Apache Tomcat.I need License in two formats One is Trial for 15 days and Next is for Fixed Span of time and this can be for one year of greater to it also.
Any suggestions will be a start for me ..
There are frameworks out there to do this you will have to pay if you are not an open source project.
http://www.license4j.com
https://truelicense.java.net
Generally, these can be as complex or a simple as you like. It is easy to create such a framework. The trick is implementing a protection mechanism that isn't easy to fool. Generally you would want to encrypt the 'licence' data in some form to ensure that it couldn't be easily altered.
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I want to create file String.xml. What is the best way to do this?
In my server I have some Strings that I want to set them from some file (like String.xml), because I need to support languages.
if you're writing a plain Java EE application, you can take a look at this tutorial.
If you are using a framework, nearly everyone of them include an internalization (i18n) plugin that allows you to define languages.
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I would like to develop an application using push notification service (like Whatsapp). What kind of service would I have to use to manage all kinds of operating system?
I would suggest using a backend like Parse.
http://www.parse.com
It's a good starting place and supports all different types of OS's.
It stores data, provides analytical stats and also allows you to send push notifications to 1 million unique devices - without paying a penny.
Hope this helps.
Cheers
Ryann
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How can I develop in Java and still use Unreal Engine 4?
Do you have to use a wrapper (I have heard something about this), do I have to modify the source code that comes with purchase or is there a plugin out there that I can use?
http://jmonkeyengine.org/ seems good and I love the IDE (and the SDK itself), but I cannot get over having to place objects on certain coordinates.
There is, as of this moment time, no Java support on the Unreal Engine. There is a C# plugin available however, you could probably explore how they accomplished it if you plan on making your own wrapper.
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I am new in embedded world. May be I am wrong. But I want a relevant solution.
I just want to embed java environment into a MCU for ease to develop application. The MCU vendor have provide the C library for lcd, sensor, spi, buttons, UART, DIO etc etc. Can I embed java into this ?? I mean, I want to use java on the MCU, uppon those device drivers.
Can I use or make something like this??
I have seen the simple Real-Time-Java it's very tiny.
Thank you.
Take a look at NanoVM and Bajos.
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I want to create a Java Desktop Application and want to employ some mechanism to protect my software from illegal copy. What is the general best approach to implement the serial number and activation protection for Java Application? If the user can activate the software correctly, where to store the activation info?
Thanks.
There can almost be only one answer: On your server, together with a significant part of your algorithm(s). If all the code has to be on the client, then all that could work is
Trusted computing (ultimately a hardware barrier)
Steganography (obfuscating, scattering, hiding, deceiving, ...)