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Steps to Display a Text file in an Applet

Steps to Display a Text file in an Applet. Abhishek Mehta. Table of Contents. Initial Conditions Source code screenshots Creating a Jar File Adding a text file in the Jar file Uploading the files on Ftp Server Viewing Applet on the website Errors and Solutions. Initial Conditions.

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Steps to Display a Text file in an Applet

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  1. Steps to Display a Text file in an Applet Abhishek Mehta

  2. Table of Contents • Initial Conditions • Source code screenshots • Creating a Jar File • Adding a text file in the Jar file • Uploading the files on Ftp Server • Viewing Applet on the website • Errors and Solutions

  3. Initial Conditions • Go to the website http://www.eclipse.org and download the latest version of eclipse. • Extract the downloaded file to a folder and then click the file named “eclipse.exe” • Create a workspace. • Workspace is the area where you create projects / packages / Interface / Class files. • A folder will be created named “Workspace” in C:\Documents and Settings\Abhishek Mehta\workspace.

  4. Source Code Screenshot

  5. Source Code (Cont’d)

  6. Source Code (Cont’d)

  7. Creating a Jar file

  8. Creating a Jar file (Cont’d)

  9. Creating a Jar file (Cont’d)

  10. Creating a Jar file (Cont’d)

  11. Creating a Jar file (Cont’d)

  12. Creating a Jar file (Cont’d)

  13. Jar File Created

  14. Screenshot of Data File

  15. Adding a Text File to a Jar File • Jar files are same as zip files • Open .jar files with winzip or winrar • Add a text file to the archive • Save the file • Next slides will show you the screenshots

  16. Adding a Text File to a Jar File

  17. Adding a Text file to a Jar file

  18. Adding a Text file to a Jar file

  19. View of Jar file after adding the Text File –“data.txt”

  20. Creating HTML File • HTML File is required to view the applet on the website • Name the HTML file with a convenient name • Save the file, in my case it is on the Desktop • The next slide will show the contents of the HTML file

  21. HTML File

  22. Uploading the files on FTP Server • So far we have two files • HTML File • Jar File (Class file + Text File) • Upload the Files on any of the Ftp servers from afs1.njit.edu – afs30.njit.edu • The files should be placed in the “public_html” folder

  23. Screenshot of my FTP space

  24. Applet on Website • Type the following in the address bar http://web.njit.edu/~UCID/filename.html In my case, http://web.njit.edu/~arm36/ReadFile.html

  25. Screenshot of Applet on Website

  26. Applet on Local Computer(using Applet Viewer)

  27. Errors and solution • One Silly mistake; Did you update the new class file • If you don’t see the applet on the website • Check the java file, the class should be defined public OR • Check if both the .jar file and the html file are placed in the same folder OR • Check if you add the data file in the .jar file

  28. References • Eclipse Tutorial • Java 2 SE API

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