in reply to How can one define value to call method "display" at line 45?

Use Data::Dumper to see what your program has actually stored into @students. I think you will be surprised.

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

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