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When must a function throw an exception?
A function must throw an exception when it's not able to fulfil its promise.
As soon as function detects a problem which prevents it from fulfilling its promise, it must throw an exception. If function is able to handle problem, recover itself and deliver promise, the exception shouldn't be thrown.
If an event occurs very frequently then exception handling isn't the best way to deal with it. It requires proper fixation.
What are the important points to do software design The below points must be kept in mind when performing the design: i) Practicality: This ensures that system is stable
What does modality in data modeling indicates? Modality shows whether or not a particular data object must participate in the relationship.
What is recovery testing? Recovery testing is a system test that forces the software to fail in a various of ways and verifies that recovery is properly done.
What is data modelling? Data modeling is the basic step in the examine modeling. In data modeling the data objects are examined independently of processing. The data model s
1. "Variable trace" is a (computer) record of the names and the values of variables accessed and/or changed during the implementation of a computer program. 2. "Value trace" is
Define software prototyping. Software prototyping is explained as a rapid software development for validating the requirements.
Question 1: We have a small system with a call graph as given below. Consider that each vertex is a module. All modules are new (i.e., n = n0) Also consider that the number of
The aim of regression testing is to test that the fixes have not formed any other problems elsewhere. The aim is to ensure the software has remained intact. A baseline set of data
Q. What is reverse engineering? Ans. It is a method of analysing software with a view to understanding its design and specification. - In source code, reverse engineering
Define Behavioral Modelling The state transition diagram represents the behavior of a system by depicting its states and the events that cause the system to change state.
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