Testing

Overview

  1. Hierarchy of Throwable Objects
  2. Handling Unchecked Exceptions
  3. Handling Checked Exceptions
  4. Source Code Structure
  5. Student Class
  6. File I/O
  7. Testing
Extra Credit: Creating Your Own Exception Class

Make sure you pass the students.txt file name as a command line argument using the "Open run dialogue," as demonstrated here.

Your output should be: 

The number of students is: 3
Student name = John and id = 10
Student name = Mike and id = 20
Student name = Steve and id = 30

In addition, test the program under the following cases.

  • The command line argument specifies a file that does not exist.
  • There are no command line arguments.
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