Algorithm · Affirm · Easy
Problem Design a class called DistinctPIIValuesCounter that monitors a stream of customer events and tracks the number of unique personally identifiable information (PII) values observed across all valid events processed up to that point. Each event arrives as a String[] containing exactly five entries: [eventType, address, phone, email, ssn]. The last four elements (address, phone, email, ssn) represent PII fields. Implement the following interface:…
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