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17/08/2026

☕ JAVA TIP OF THE DAY! 💡

Do you know the difference between "==" and ".equals()" in Java? 🤔

👉 "==" checks whether two references point to the same object.
👉 ".equals()" checks the content, when the class defines equality that way.

🎯 A small concept, but a very important Java interview question!

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17/08/2026

🚀 SQL Tip of the Day – #4

Do you know the difference between "COUNT(*)" and "COUNT(column)"? 🤔

📌 "COUNT(*)" → Counts all rows
📌 "COUNT(column)" → Counts only NON-NULL values

💡 A small SQL concept, but a very common interview question! 🎯

Learn one useful programming concept every day with UrChoice Computer Education. 💻📚

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