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extractedInfo[i][0];
That line does not really DO anything.

If I had a HashMap full of keys to ArrayLists, I would first write code that would iterate the HashMap and println the keys to me....

Variables are valid only within the scope for which they are declared. Looking again at the sample Person class, myAge was declared inside the class, outside of any method. That makes the variable...

Hit up your favorite search engine for "java scope" for details.

You declared uniport inside the main method. That means uniport is only a valid variable name within the { and } of public static...

You are welcome




Look at your class as an entity which can have material things and abilities. Say for example a person. A person can have their own things, right? A person can perform...

What is the first step taught in your class?
Where are you stuck?

If the assignment is reading and writing files, surely you can get some of the code written. Plan out what you need to do, and...