Libsys (Illinois) Softwaretest Engineer Interview Questions and Answers

Q1. What is the D/W Rest and GraphQL APIS?
Ans. 
D/W Rest and GraphQL APIs are two different types of APIs used for communication between software systems.
• D/W Rest API is a standard protocol for accessing and manipulating data over the web using HTTP.

• GraphQL API is a query language for APIs and a runtime for executing those queries with your existing data.

• Rest APIs are more commonly used and follow a stateless client-server architecture.

• GraphQL APIs allow clients to ...read more
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Q2. REST uses fixes endpoint;..............etc.
Ans. 
REST uses fixed endpoints to define the resources that can be accessed through the API.
• RESTful APIs use fixed URLs to access resources

• Each endpoint corresponds to a specific resource or action

• Endpoints are defined in the API documentation

• Example: GET /users retrieves a list of users
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Q1. Difference between overload and override
Ans. 
Overload is when a class has multiple methods with the same name but different parameters. Override is when a subclass provides a specific implementation of a method that is already defined in its superclass.
• Overload occurs within the same class, while override occurs between a superclass and its subclass.

• Overload is resolved at compile time based on the method signature, while override is resolved at runtime based on ...read more
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Q2. What is split functions
Ans. 
Split functions are used to divide a string into multiple parts based on a specified delimiter.
• Split functions are commonly used in programming languages like Python, JavaScript, and Java.

• The split function takes a string and splits it into an array of substrings based on a specified delimiter.

• For example, in Python, the split function can be used like this: 'hello world'.split(' ') will return ['hello', 'world'].
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Q3. Data structure questions
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Q4. Html css basics
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Q5. Python program question
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Reasoning, mathematics, and basic English grammar.

Q1. Self introduction, domain knowledge, some questions about Test case presentation.
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Q1. 1) Introduction about yourself 2) Domain related questions 3) If Experienced then project related questions 4)
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Q1. Same like technical questions related to previous work.. And some basic mathatical questions.. Like formulas, equations etc.
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