How to create a trial version of java product with source code

When we sell a system or application sometimes customer asks for the trial version for limited days. Then we should make our application to expire when passing trial days. In this tutorial show, you to create a trial version of java product using a simple method.

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Here compare two dates. First set expire date using a simple date format. After comparing that date with the current date. When current date pass expires date the system display message and dies the running process. These codes should put inside the main method of the project. Follow video tutorial and bellow codes.

Video tutorial to create a trial version of java product

Put this code inside the main method of project.

Calendar expireDate = Calendar.getInstance();               
// when identify month January take as  0 (y, m, d)
   expireDate.set(2025, 9, 26); // set expire date you need
   // Get current date and compare
   if (Calendar.getInstance().after(expireDate))
   {
   // Die
   JOptionPane.showMessageDialog(rootPane, "Sorry Your Froduct Is Expired");// Add any message to display
   System.exit(0);
    }

The technologies used in create a trial version of java product tutorial

  • Java: All codes have been written using the java programming language.
  • Netbeans: This project has developed inside of the Netbeans IDE.

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