About Magnet Mocker

Magnet Mocker is a free exam simulator written in Java.

As it may be clear from its name, the exam engine allows student to drag correct answers from source panel and drop to the target panel at the places where some text is omitted.

All latest Sun Microsystems Java Certification Tests (SCJP, SCBCD, SCWCD, SCDJWS) include drag-and-drop (DnD) questions. The latest version of SCJP Exam which covers J2SE 5.0 (Tiger) , includes a lot of drag-and-drop questions too. The Magnet Mocker exam simulator can be extremely useful for those students who prepares Java Certification Tests.

Magnet Mocker is a desktop GUI (Swing) application which works locally on the user's workstation. It does not require live internet connection while is running.


  • User can go back and review DnD question, the answer options do not reset to original state after user proceeded to the next question.

  • Unlimited number of answer options.

  • Question bank is stored in XML format. Users can easily create their own mock exams.

  • Duplicated options (i.e. which have the same text) are allowed.

  • Question may ask to put correct options in some order - in this case two criteria are tested: user should select correct options and should place them in correct order. Or question may ask only to select correct options, in this case order of options in the target panel does not matter.

  • Single choice and multiple choice questions are supported. In this case Magnet Mocker tells how many correct options should be selected.

  • Every time a Quiz is loaded the questions and their options are shuffled. This prevents from memorizing correct options visually.

  • Questions can refer to external images which are stored in a JAR file. User displays the image using 'Exhibit' button.

  • Test can be saved (passivated) on the disk and loaded (activated) later from the disk.

  • Quiz can be exported in HTML format and then printed, published on web-site, etc.


  • Option labels should be dropped only on the source or target panel, otherwise the label will disappear from the screen.


  • Sun JRE 1.5.0 or later.

  • Sun JRE 1.4.0 + Xerces2.

  • IBM JRE 1.4.0 or later.

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