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React has three main phases in its life cycle: Mounting, Updating, and Unmounting.
Mounting phase: Component is created and inserted into the DOM.
Updating phase: Component is updated in response to changes in props or state.
Unmounting phase: Component is removed from the DOM.
Hooks in functional components allow for stateful logic to be used in functional components.
Hooks were introduced in React 16.8 to allow functional components to have state and lifecycle methods.
useState and useEffect are commonly used hooks in functional components.
Hooks can be used to manage state, perform side effects, and more in functional components.
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posted on 23 Aug 2022
I applied via Referral and was interviewed before Aug 2021. There were 3 interview rounds.
Reasoning questions and General Awareness
I applied via Campus Placement and was interviewed before Nov 2021. There were 3 interview rounds.
Numerical and logical aptitude test
There are 5 rounds on datastructure and algorithm
I applied via Campus Placement and was interviewed before Jun 2020. There were 6 interview rounds.
I possess strong analytical skills, attention to detail, and effective communication abilities that drive successful outcomes.
Analytical Skills: I excel at breaking down complex data sets to identify trends and insights, as demonstrated in my previous role where I improved reporting accuracy by 30%.
Attention to Detail: My meticulous nature ensures that I catch errors before they escalate, which was crucial in a project...
I tend to be overly detail-oriented, which can slow down my decision-making process at times.
I often spend extra time ensuring every detail is perfect, which can delay project timelines.
For example, during a recent project, I focused too much on data visualization, causing me to miss the deadline.
I am working on this by setting strict time limits for each task to maintain efficiency.
I also prioritize tasks based on the...
I applied via Naukri.com and was interviewed before Mar 2021. There were 2 interview rounds.
Global warming
General with companies details
I applied via Naukri.com and was interviewed in Feb 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Oct 2020. There were 3 interview rounds.
State management in React involves managing the state and props of components.
State is used to manage data that changes within a component
Props are used to pass data from a parent component to a child component
State can be updated using setState() method
Props are read-only and cannot be modified within a component
State and props are used together to create dynamic and interactive UIs
I applied via Campus Placement and was interviewed in Jan 2021. There was 1 interview round.
I am a passionate Software Engineer with a strong background in full-stack development and a love for solving complex problems.
Education: I hold a degree in Computer Science, where I developed a solid foundation in algorithms and data structures.
Experience: I have over 3 years of experience working with technologies like Java, Spring Boot, and React, building scalable web applications.
Projects: I led a team project to ...
Cognizant offers innovative solutions, a collaborative culture, and opportunities for growth in a dynamic tech environment.
Cognizant's commitment to innovation aligns with my passion for cutting-edge technology, as seen in their AI and cloud solutions.
The company's diverse projects across various industries provide a unique opportunity to broaden my skill set and experience.
Cognizant's emphasis on employee development ...
I applied via Campus Placement and was interviewed before Jun 2021. There were 3 interview rounds.
I was selected through campus drive at my college. The test was easy. I would suggest freshers to practice some mock tests online, grammer, intelligence, quant., etc.
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