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CSE 2221 Midterm 2 Exam 2024 Questions and Verified Answers, 100% Guarantee Pass
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CSE 2221 Midterm 2 Exam 2024 Questions and Verified Answers, 100% Guarantee Pass
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CSE 2221 Midterm 2.pdf file:///C:/Users/HP/Desktop/pppppp/CSE%202221%20Midterm%202CSE 2221 Midterm 2
1. design-by-contract
ANS (programming to the interface) uses both pre and postconditions to document the
change in state caused by the program
2. precondition
ANS (requires clause) characterizes the responsibility of the programthat calls (uses) that
method (client code)
3. postcondition
ANS (ensures clause) characterizes the responsibility of the programthat implements that
method
4. parameter modes
ANS local decisions for which a method might change the value ofthe corresponding argument
5. @restores mode
ANS upon return from the method call, the parameter once againhas an incoming value
6. @clears mode
ANS upon return from the method call, it resets the parameter to theinitial value
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,CSE 2221 Midterm 2.pdf file:///C:/Users/HP/Desktop/pppppp/CSE%202221%20Midterm%202
7. @replaces mode
ANS upon return from the method call, the parameter has a valuethat might be changed from
its incoming value & does not depend on initial value
8. @updates mode
ANS parameter has value that might be changed from incomingvalue & method's behavior
does depend on initial value
9. debugging
ANS given source code with a defect, you find and repair it
10. testing
ANS given some code, show by executing if it has a defect
11. immutable types
ANS no method can change the value of the receiver, the value ofthe variable cannot be changed
ex
String / XMLTree
12. primitive types
ANS built in data types that are mutable by at least one methodex
boolean, char
13. reference types
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