In Java, The given text files represent a list of account numbers and associated balances. Balances change over time. If a balance is later in the file, then this implies the balance for that customer is more recent. Ask the user for a file name then display the most recent balance along with the high and low balance. Given:
6 text files, balance files 1-5 have 1000+ lines of text and the (customer) numbers are repeated throughout with different id balances.
*The customer and id balance are separated by tabs*
balances-0.txt
customer id balance
1 $93.83
1 $805.24
2 $866.45
4 $943.28
3 $764.12
1 $798.00
4 $395.59
5 $644.26
4 $18.31
4 $814.97

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability

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