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CSE 2221 Exam 2/52 Answered Questions
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CSE 2221 Exam 2/52 Answered Questions
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CSE 2221 Exam 2/52 Answered QuestionsDesign By Contract - - describes the behavior between the client and
implement, where each has the responsibility to meet the precondition and
postcondition, respectively, and the client and implement can assume the
postcondition and precondition is met, respectively, when the method is
called/returned
- Precondition - - sets responsibilities of the client calling a method to meet
in order for the implementation to return an appropriate result
- Postcondition - - sets responsibilities of the method to return an
appropriate result to the client code
- Testing - - technique for trying to disprove that a method body is correct
for the method contract; goal is to show that the method body does not
correctly implement the contract
- Debugging - - technique for trying to fix and repair bugs and defects in
code so that the method correctly returns all appropriate values
- Parameter Mode - - summarize in a method contract a way that a method
might change the value of the corresponding argument
- Clears - - returns value that does not equal the initial value
- Replaces - - replaces incoming value with another value specified by the
method body, outgoing value does not depend on the method's behavior
- Restores - - upon return from a method call, the outgoing value equals the
original value
- Updates - - incoming value altered with another value specified by the
method body, outgoing value does depend on the method's behavior
- Immutable Types - - no method can change the value of the receiver, the
value of the variable cannot be changed
- Primitive Types - - basic value variables
- Reference Types - - fundamentally different from primitive as the values
are stored in a memory address, reference value si created to reference the
memory address where the object value is stored
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