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I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
Dockerfile to install Tomcat and run a server
Use a base image like 'openjdk:8-jre' to install Java
Download and extract Tomcat tarball
Set environment variables like CATALINA_HOME and PATH
Expose port 8080 and start Tomcat server using 'catalina.sh run'
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.
Start with a base image using the FROM keyword
Use the RUN keyword to execute commands in the container
Use the COPY keyword to add files from the host machine to the container
Use the CMD keyword to specify the command to run when the container starts
File system in Linux organizes and manages data on storage devices.
File system controls how data is stored, accessed, and managed on storage devices.
Linux uses a hierarchical file system structure with directories and files.
Common file systems in Linux include ext4, XFS, and Btrfs.
File permissions in Linux determine who can read, write, or execute files.
Mounting and unmounting drives allows access to different file sys
I applied via Naukri.com and was interviewed in Jul 2021. There were 3 interview rounds.
I applied via Campus Placement
I applied via Naukri.com and was interviewed before Mar 2023. There were 3 interview rounds.
Create immutable Arraylist.
String manipulation problems involve modifying or analyzing strings of characters.
Use built-in string methods like substring, replace, and split.
Regular expressions can be powerful tools for pattern matching and manipulation.
Be mindful of edge cases like empty strings and null values.
Consider the time and space complexity of your solution.
Practice with coding challenges on websites like LeetCode and HackerRank.
I was interviewed in Apr 2021.
Round duration - 90 minutes
Round difficulty - Medium
Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
The first line contains a single integer 'T' representing the numb...
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.
Use a set to store distinct elements for efficient processing.
You are provided with a string STR
of length N. The task is to find the longest palindromic substring within STR
. If there are several palindromic substring...
Find 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 so far
Return the longest palindromic substring
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...
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
Implement a function to calculate the intersection point of two lines on a 2D plane
Handle precision up to six decimal places in the output
Return -1.000000 -1.000000 if the lines do not intersect
Ensure the lines 'AB' and 'PQ' are distinct
Tip 1 : Have some projects.
Tip 2 : Do a course from Coding Ninjas.
Tip 1 : Keep it short
Tip 2 : Add skills iff you are sure
I was interviewed in Apr 2021.
Round duration - 90 minutes
Round difficulty - Medium
Timing was 9 PM. Platform was not good. Platform was very lagging so overall it was bad experience.
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
The first line contains a single integer 'T' representing the numb...
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 there are less than 3 elements in the array.
Consider edge cases like negative integers and duplicates.
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...
Identify the longest palindromic substring in a given string.
Iterate through each character in the string and expand around it to find palindromes
Keep track of the longest palindrome found so far
Return the longest palindromic substring with the smallest start index
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...
Calculate the intersection point of two lines on a 2D plane with precision up to six decimal places.
Implement a function to calculate the intersection point of two lines on a 2D plane
Handle precision up to six decimal places in the output
Return -1.000000 -1.000000 if the lines do not intersect
Ensure the lines 'AB' and 'PQ' are distinct
Tip 1 : Have some projects.
Tip 2 : Do a course from Coding Ninjas.
Tip 1 : Keep it short.
Tip 2 : Do not put false things.
I was interviewed in Apr 2021.
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.
Given an array 'ARR' of 'N' distinct integers, determine the third largest element in the array.
The first line contains a single integer 'T' representing the numb...
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.
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...
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
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...
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.
Tip 1 : Have some projects.
Tip 2 : Do a course from Coding Ninjas.
Tip 1 : Keep it short.
Tip 2 : Do not put false things.
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