GSPANN Technologies Interview Questions, Process, and Tips

Basic java sql question ask in that round

Q1. Java string array mutable or not
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Q2. How to extend thread class in java
Ans. 
To extend Thread class in Java, we need to create a new class and inherit it from the Thread class.
• Create a new class and inherit it from the Thread class

• Override the run() method to define the task that the thread will perform

• Instantiate the new class and call the start() method to start the thread
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Q3. Garbage collection of jav
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Garbage collection in Java is an automatic process of freeing up memory occupied by objects that are no longer in use.
• Garbage collection is performed by JVM

• It frees up memory by removing objects that are no longer in use

• It helps prevent memory leaks and improves performance

• Java provides different types of garbage collectors such as Serial, Parallel, CMS, and G1

• Developers can also manually request garbage collection usi
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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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String manipulation and selenium 4 jenkins and page object model

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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