1. What is JSP?

2. What is the role of the garbage collector in Java programming, and where is it utilized?

3. Is brute force a good or bad approach?

4. Remove Duplicates from String Problem Statement You are provided a string STR of length N, consisting solely of lowercase English letters. Your task is to remove all duplicate occurrences of characters in the string. Example: Input: abcadeecfb Output: abcdef Explanation: After removing duplicates, the string becomes abcdef. Constraints: 1 ≤ N <= 4*10^5 Time Limit: 1 sec

5. Explain what a DDoS attack is.