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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 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
Application Design: Micro CDS/ISIS is a text oriented software package. It is a good , ho ice if one wishes to store textual data, retrieve the data by certain criteria, and d
What is a boundary value analysis? A boundary value analysis is a testing method in which the elements at the edge of the domain are selected and tested. It is a test case desi
What is Dynamic and static metrics? Dynamic metrics are closely related to software quality attributes It is relatively easy to measure the response time of a system (per
What is DFD? Data Flow Diagram depicts the information flow and the transforms that are applied on the data as it moves from input to output.
What are the various elements of data design? i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dict
what do i do and how?
Level 4 (Managed) Organisation satisfies all the requirements of level-3. At this level quantitative standards are set for software processes andproducts. Project analysis is
iii. Layered software architectures can be used to reduce coupling between the functions of a system that are closer to the machine and those that are closer to user needs. Why is
Discuss in details about rapid prototyping techniques. Executable specification languages. Used to animate the system specification. It is shown in a formal, mathemati
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