1. Which are the OOPs concepts?
2. Explain the internal workings of a HashMap in Java.
3. What is the method for identifying prime numbers?
4. Explain the features of Java 21.
5. What are the different types of joins in SQL?
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1. Which are the OOPs concepts?
2. Explain the internal workings of a HashMap in Java.
3. What is the method for identifying prime numbers?
4. Explain the features of Java 21.
5. What are the different types of joins in SQL?