Care Health Insurance Senior Software Engineer and Lead Interview Questions and Answers

A test that covers all fundamental topics, including networking, object-oriented programming (OOP), and data structures and algorithms (DSA).

Q1. Write code for quick sort
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Q2. Puzzle
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Q1. Java Fundamentals
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Q2. System Design
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Q1. Previous experience
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Q2. Spring boot
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Q1. Offer discussion
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Q2. Onboarding process
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Q1. Explain the react lifecycle functions and how they work
Ans. 
React lifecycle functions are methods that are automatically called at specific points in a component's life cycle.
• Mounting: constructor, render, componentDidMount

• Updating: render, componentDidUpdate

• Unmounting: componentWillUnmount
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Q2. Css box model, difference between padding and margin
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Padding is the space inside the border of an element, while margin is the space outside the border.
• Padding is used to create space between the content and the border of an element.

• Margin is used to create space between the border of an element and other elements.

• Padding affects the size of the content area, while margin affects the positioning of the element.

• Example: padding: 10px will create 10 pixels of space inside ...read more
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Q1. What are your salary expectations in CTC and variables?
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Q2. Will you relocate to the location required?
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Data structures and algo. 2 ques were asked in hackerrank

Q1. Questions related to System design
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Q1. Basic question related to Spring and Java
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Write code for advance surrying in js

Implement custom hook for api call

Q1. Basic questions arounf my previous work
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Q2. Technical questions around performance and code optimization
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Q1. One leetcode easy-medium problem
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Q2. Java, springboot and oops question
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Q1. Project related questions
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Q2. System design questions
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The topic was -> "One nation one election"

Q1. What is a String pool in Java?
Ans. 
String pool in Java is a pool of unique strings stored in memory to optimize memory usage.
• String pool is a part of Java's memory where unique string literals are stored.

• When a new string is created, Java checks if it already exists in the pool to save memory.

• Strings created using double quotes are added to the pool, while those created using 'new' keyword are not.

• Example: String str1 = "hello"; String str2 = "hello"; /...read more
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Q2. Explain different types of exception in Java.
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Java has checked and unchecked exceptions. Checked exceptions must be handled at compile time, while unchecked exceptions do not need to be handled explicitly.
• Checked exceptions: Must be caught or declared in the method signature. Example: IOException, SQLException

• Unchecked exceptions: Do not need to be caught or declared. Example: NullPointerException, ArrayIndexOutOfBoundsException
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You should be familiar with core java features. Collections, converting one collection Array / Vector to other. Removing duplicates. Lambda chaining / Functional programming. Basic SQL - Joins, Aggregates etc.

Q1. Explain Architecture of applications you worked on. Justify use of components. System Design questions.
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