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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.
Explain in detail about data modelling. Data modeling makes use of the ERD. Having of 3 interrelated information. The data object. Attributes. Relationsh
Describe the effect of defining a prototype on the overall cost of the software project? The prototyping model: In this model, a prototype (an previous approximation of a fin
1. Take a look at the code and try to understand the logic, particularly, the way scrambled words are disambiguated, i.e.., whether they are matched successfully against a correct
Q. Consider a project for which the manpower requirement is 200 PY and the development time is 2 years. calculate the peak manning time. Ans Software Project cost K=200 PY
What are the various categories of software? Application software System software Engineering/Scientific software Web Applications Embedded software Artificial I
give me a graph of online shopping time line chart
What is meant by Throw away Prototyping? Giving the user a system which is incomplete and then augmenting and modifying it so that user requirements become clear. The obj
Define Fan-in & Fan-out. Fan-out - A measure of the number of modules that are directly controlled by another module. Fan-in- Shows how many modules directly control a give
Define metrics. Metrics is explained as the degree to which a system component, or process possesses a given attribute.
Enginnering the product Because of complexity involved in software development, engineering approach is being used in software design. Use of engineering approach in area of re
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