CMSC 256 Exam 1 Questions & Answers 2024/2025
What is generic programming? - ANSWERScreation of programming constructs
that can be used with many different types
How are generics achieved in java? - ANSWERSType parameter: ArrayList<String> or inheritance
how to type parameters in...
What is generic programming? - ANSWERScreation of programming constructs
that can be used with many different types
How are generics achieved in java? - ANSWERSType parameter: ArrayList<String> or inheritance
how to type parameters increase safety? - ANSWERSErrors are thrown if unsupported type is used
type parameter varialbles - ANSWERSE - element in a collection
K - key in map
V - value in map
T- generic
S,U, -more generics
type parameter variables - ANSWERSE - element in a collection
K - key in map
V - value in map
T- generic
S,U, -more generics
Constraining type variables (type parameter in method header) - ANSWERS... <E extends
Comparable<E>> ...
advantages of using generics - ANSWERS1. stronger type checks at compile time
2. no casting necessary
3. can implement generic algorithms (more versatile)
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