GSPANN Technologies Interview Questions, Process, and Tips

Topics related to javascript basics and html.

Q1. Group array of object by key.
Ans. 
Group array of objects by key
• Use Array.reduce() method to group objects by key

• Create an empty object to store the grouped objects

• Iterate over the array and check if the key already exists in the grouped object, if not create a new key and add the object to it
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Q2. Change detection strategy
Ans. 
Change detection strategy is a method used to identify and track changes in data or state within an application.
• Use frameworks like Angular that have built-in change detection mechanisms

• Implement manual change detection by comparing previous and current states of data

• Leverage immutable data structures to easily detect changes
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Q3. Design custom pipe and directives
Ans. 
Custom pipes and directives are used in Angular to transform data and manipulate the DOM.
• Custom pipes can be created by implementing the PipeTransform interface and defining a transform method.

• Custom directives can be created by using the @Directive decorator and defining the desired behavior.

• Example of custom pipe: transforming a string to uppercase.

• Example of custom directive: highlighting an element on hover.
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Q1. Basic of OOOPS like abstraction, polymorphism with example.
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Q2. Problem solving question to write code to solve string problem.
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Q3. Questions on ASP.net MVC like state management, filters.
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Q4. Solid principle and some architecture like factory or singleton.
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Q5. SQL questions to write queries based on group data and questions on optimization of Stored procedure.
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Q1. Project based questions.
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Q2. Agile methodology and tools.
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Q3. Azure basics and functions.
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Q1. General questions regarding negotiation of CTC.
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Q1. Project scenario based questions mainly performance optimization.
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Q2. Some SQL questions.
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Q1. Input string str= " Name SIRNAME" EXPECTED OUTPUT "Name Sirname"
Ans. 
The expected output is to capitalize the first letter of each word in the input string.
• Split the input string by space to get individual words

• Capitalize the first letter of each word

• Join the words back together with a space in between
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Q2. Input str = "Name Sirname" Output "Sirname Name"
Ans. 
Reverse the order of words in a given string.
• Split the input string by space to get individual words

• Reverse the array of words

• Join the words back together with a space in between
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Design Db and write SQL

SQL Questions were asked in this round