- What is an ArrayList? Hashtable?
- Disadvantages of each?
- What would you use instead? Explain why.
- What are the uses for the “using” keyword in C#?
- What interface is involved in one use of “using?”
- What is an interface?
- What do the access modifiers “abstract” and “sealed” mean?
- In SQL, what’s the difference between an Inner and an Outer Join?
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