What is SQL Injection? Serialization vs Synchronized. Interface vs Abstract. Queue vs Stack, Vector vs ArrayList. Array vs ArrayList.
What is a virtual function?
When are these used: static, transient, protected, Iterator? Name 4 principles of Polymorphism. Can a lock be acquired on a class? How do you secure a web service? What is operator overload? Explain an ENUM. Which is more expensive? Array or LinkedList.

Question

What is SQL Injection? Serialization vs Synchronized.  Interface vs Abstract. Queue vs Stack, Vector vs ArrayList. Array vs ArrayList.
What is a virtual function? 
When are these used: static, transient, protected, Iterator? Name 4 principles of Polymorphism.  Can a lock be acquired on a class? How do you secure a web service? What is operator overload?  Explain an ENUM. Which is more expensive? Array or LinkedList.

Anónimo · Accepted Answer

Answered most correctly.  Didn't know some.

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