Solverminds Solutions and Technologies Interview Questions, Process, and Tips

Logical programming question

Q1. Java concepts and resume based question
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Q1. Why should hire you ?
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Q2. What is technical support ?
Ans. 
Technical support is a service provided to help users solve technical issues with their devices or software.
• Assisting users with troubleshooting technical problems

• Providing guidance on how to use software or hardware effectively

• Resolving issues related to connectivity, performance, or functionality

• Offering support through phone, email, chat, or remote access

• Escalating complex issues to higher-level support teams
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Code snipet round and grammer questions

They give 20 minutes one prlm to solve how to approach the prlm written test

Q1. ReactJS concepts
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Q2. Hooks and Performace optimization methods
Ans. 
Hooks are functions that let you use state and other React features in functional components. Performance optimization methods include memoization, useCallback, and useMemo.
• Use useMemo to memoize expensive calculations and prevent unnecessary re-renders.

• Use useCallback to memoize functions and prevent unnecessary re-creations.

• Avoid unnecessary re-renders by optimizing component updates with shouldComponentUpdate or Rea...read more
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Q1. ES6 concepts and code solving
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Q2. Redux and state management methods
Ans. 
Redux is a popular state management library for JavaScript applications.
• Redux is commonly used with React to manage the state of an application.

• It follows a unidirectional data flow, where actions are dispatched to update the state.

• Reducers are pure functions that specify how the state should change in response to actions.

• Selectors can be used to efficiently extract specific pieces of state from the store.

• Middleware ca...read more
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They give 5 aptitude questions , question based on profit percentage,find the missing number.

They give 10 coding question filling the blanks type questions

Q1. They ask basic java opps and sql based questions
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Q2. Difference between error and exception ?
Ans. 
Error is a serious issue that cannot be handled at runtime, while exception is a runtime issue that can be handled.
• Errors are caused by the environment in which the application is running, while exceptions are caused by the application code.

• Errors cannot be caught or handled, while exceptions can be caught and handled using try-catch blocks.

• Examples of errors include OutOfMemoryError and StackOverflowError, while examp...read more
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Q3. What is waperclass in java ?
Ans. 
There is no such thing as waperclass in Java.
• The term 'waperclass' is not a valid Java keyword or class name.

• It is possible that the interviewer made a mistake or was testing the candidate's ability to handle unexpected questions.

• As a Java developer, it is important to be familiar with the language's syntax and keywords.
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Q4. Types of joins in MySQL
Ans. 
MySQL supports four types of joins: INNER, LEFT, RIGHT, and FULL OUTER.
• INNER JOIN returns only the matching rows from both tables.

• LEFT JOIN returns all rows from the left table and matching rows from the right table.

• RIGHT JOIN returns all rows from the right table and matching rows from the left table.

• FULL OUTER JOIN returns all rows from both tables, with NULL values in the columns where there is no match.

• JOIN and INN...read more
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Technical aptitude

Q1. This round will be technical round.. Face to face interview.. They ask questions in core java and collection framework.. And they ask to write us a simple code
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Q1. This will be a 2nd technical round.. In this round they will ask sql questions.. So prepare for that
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