Corecard Software SQL Developer Interview Questions and Answers

Easy coding question generally A, B level question of codeforces

Q1. OOPs, DBMS , Computer network and some basics over java
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JavaScript questions

OnlineCoding Test for 60 mins

Q1. 2 DSA question for 1 hour
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Q1. Technical Question around CS concepts
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1 hour interview. Needed to solve parts of single question. Next part would open only after completing the current part

Java 8, Mysql, sprin, c, c++

Q1. Questions based on core java and oops concepts
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Q1. Basic of spring boot, Database, annotations, core Java, and some basic DSA problems
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Q2. Study basics of spring boot, spring hibernate, database - relational and others. And problems basic string and array questions
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Q1. Description about yourself
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Q2. Told about my self and some technical questions
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Time ,speed ,distance

Java application using oops concept

Q1. Inheritance , oops
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Q1. Tell me about urself
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Round duration - 90 minutes
Round difficulty - Hard

Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.

Q1. 
Find the Third Greatest Element
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
Input:
The first line contains a single integer 'T' representing the numb...read more
Ans. 
Find the third largest element in an array of distinct integers.
• Sort the array in descending order and return the element at index 2.

• Handle cases where the array has less than 3 elements separately.

• Consider using a set to ensure distinct elements in the array.
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Q2. 
Longest Palindromic Substring Problem Statement
You are provided with a string STR of length N. The goal is to identify the longest palindromic substring within this string. In cases where multiple palind...read more
Ans. 
Identify the longest palindromic substring in a given string.
• Iterate through the string and expand around each character to find palindromes

• Keep track of the longest palindrome found

• Return the longest palindromic substring with the smallest start index
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Q3. 
Ninja and Geometry Problem Statement
In this problem, Ninja is provided with two lines on a 2D plane. The first line 'AB' is determined by two points A and B. The second line 'PQ' is determined by two poi...read more
Ans. 
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
• Use the formula for finding the intersection point of two lines in 2D space.

• Handle precision issues that may arise due to floating-point arithmetic.

• Return -1.000000 -1.000000 if the lines do not intersect.

• Ensure the lines 'AB' and 'PQ' are distinct.
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