import java.util.ArrayList;

import java.util.List;

class RecordDeduplicator {

public static List<String> deduplicateStrings(List<String> records) {

List<String> uniqueRecords = new ArrayList<>();

List<String> seenRecords = new ArrayList<>(); // Keep track of strings we've encountered

for (String record : records) {

if (!seenRecords.contains(record)) {

uniqueRecords.add(record); // Add if not already seen

seenRecords.add(record); // Mark as seen

}

}

return uniqueRecords;

}

public static void main(String[] args) {

// Example Usage

List<String> data = new ArrayList<>();

data.add("apple");

data.add("banana");

data.add("apple");

data.add("orange");

data.add("banana");

data.add("grape");

List<String> deduplicatedData = deduplicateStrings(data);

System.out.println(deduplicatedData);

}

}