Fa Software Services UI Developer Interview Questions and Answers

A design was shared, I had to develop before going to interview

Code test on situation, what would you do if you face a situation?

Q1. Questions on DSA were asked by the interviewer at first.
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Q2. Some theoretical questions from DBMS and oops and also asked to write some SQL queries.
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Q1. This round was also similar to the first technical round at first given a DSA question.
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Q2. After that I was asked to write some SQL queries and also questions from resume were asked.
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Q1. This was managerial round which was was offline in person interview. At first he asked sone basic DBMS and oops questions.
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Q2. Then gave me a question and asked me to write a complex SQL query.
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Normal java coding question

Q1. What are spring ioc
Ans. 
Spring IoC (Inversion of Control) is a design pattern where the control of object creation and lifecycle is shifted to a container or framework.
• In Spring IoC, objects are created and managed by the Spring container.

• It helps in achieving loose coupling between classes.

• Dependency Injection is a key feature of Spring IoC, where dependencies of a class are injected by the container.

• Example: @Autowired annotation in Spring
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Q2. Different implementation of map interface
Ans. 
The Map interface in Java provides a way to store key-value pairs and retrieve values based on keys.
• Different implementations of the Map interface include HashMap, TreeMap, LinkedHashMap, and ConcurrentHashMap.

• HashMap provides constant-time performance for basic operations but does not guarantee the order of elements.

• TreeMap maintains elements in sorted order based on keys.

• LinkedHashMap maintains the insertion order of...read more
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Three long paragraph questions related to logical thinking take around 20-25 min to solve.

Three coding questions on array, square matrix and monster game.

Q1. Asks to introduce yourself
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Q2. Regarding your interests in IT field and skills
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It was an aptitude test with different sections logical reasoning, aptitude, numerical analysis

Q1. Tell me about yourself
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Q2. What is your long term career objective
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Q1. How html css and js be executed
Ans. 
HTML, CSS, and JS are executed by the browser.
• HTML is parsed and rendered into a Document Object Model (DOM)

• CSS is applied to the DOM to style the content

• JS is executed to add interactivity and manipulate the DOM

• Browser engines like Blink, Gecko, and WebKit handle the execution
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Q2. When to use functional components and when to use class components (other than state management)
Ans. 
Functional components are simpler and easier to test, while class components offer more features and lifecycle methods.
• Use functional components for simple UI components

• Use class components for more complex UI components

• Functional components are easier to read and maintain

• Class components offer more lifecycle methods and state management options
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