Showing posts with the label Happy NumberShow all
How to check if a given number is a Happy Number?
Interview Questions: Write programs to do the following.
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📩 Today’s Programming Tip

✅ Java Tip: Use Streams API for data filtering and mapping.
Example:
List result = list.stream()
    .filter(s -> s.startsWith("A"))
    .collect(Collectors.toList());

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💡 Tip of the Day