ValueLabs Software Engineer Interview Questions, Process, and Tips

Q1. Worst company ever Hiring process is very unprofessional and complicated. HR told me to attend office for last round of interview but when I reach hyderabad they scheduled HR interview virtually and offere...read more
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Q1. What is Event Loop In NodeJS?
Ans. 
Event Loop in NodeJS is a mechanism that allows NodeJS to perform non-blocking I/O operations by offloading operations to the system kernel.
• Event Loop is responsible for handling asynchronous operations in NodeJS.

• It allows NodeJS to perform multiple operations concurrently without blocking the execution.

• Event Loop continuously checks the event queue for any pending tasks and executes them in a non-blocking manner.

• Examp...read more
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Q2. What is Cluster ?
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A cluster is a group of interconnected computers that work together to perform a task or provide a service.
• Clusters are used to improve performance, scalability, and availability of applications.

• They can be categorized into different types such as high availability clusters, load balancing clusters, and parallel processing clusters.

• Examples of clusters include Hadoop clusters for big data processing and Kubernetes clus
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Implement TODO List with ReactJS

Q1. Dependency Injection
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Q2. Angular json file
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Basic common Aptitude questions

Q1. Technical questions
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Q2. About DSA, DBMS, CS fundamentals
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Q1. Basic HR questions
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Q1. Find the secondary diagonal of matrix
Ans. 
To find the secondary diagonal of a matrix
• Iterate through the rows of the matrix

• Access the element at the index equal to the length of the row minus the current row index minus 1

• Add the element to the secondary diagonal array
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Q2. Why we use @transiant annotations in spring
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We use @transient annotations in Spring to mark fields that should not be persisted.
• The @transient annotation is used to exclude a field from being persisted to the database.

• It is commonly used for fields that are derived from other fields or are not relevant to the persistence layer.

• The @transient annotation is also used to prevent serialization of certain fields in distributed systems.

• It is important to note that @tr...read more
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Basic aptitude and coding questions

Q1. Technical discussion based on resume
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