ZeMoSo Technologies Senior Software Engineer Interview Questions, Process, and Tips

There were 2 to 3 easy to mid level Coding question. Time duration is one hour

Q1. One coding question and detailed discussion on Java, Spring Boot and microServices
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Q1. One Coding Question and detailed discussion on Java 8 and above
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Q1. One coding question and was asked to write the logic. Basically this round was to assess the problem solving skills
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Q1. Salary Discussion
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Q1. NodeJs architecture
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Q2. Middleware in nodejs
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It was a online test having coding questions and aptitude questions.

Q1. Database related questions
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Q1. Javascript and coding questions
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Q1. Core java, spring boot, java 8 features, java programs
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Q1. Spring boot security, multithreading, analytical skills
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Q1. Salary discussion
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2 questions - one was a basic DP question

Q1. Streams Question
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Q2. Questions related to Java
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Q3. Height of the binary tree
Ans. 
Height of a binary tree is the maximum number of edges on the longest path from the root node to a leaf node.
• The height of an empty tree is -1.

• The height of a tree with only one node is 0.

• The height of a binary tree can be calculated recursively by finding the height of the left and right subtrees and adding 1 to the maximum of the two heights.
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Q4. Minimum spanning tree
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Q1. Sort 0 and 1
Ans. 
Sort an array of 0s and 1s in linear time complexity.
• Use two pointers approach - one from the start and one from the end of the array.

• Swap 0s to the left side and 1s to the right side until the pointers meet.

• Time complexity: O(n), Space complexity: O(1)
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Q2. Implement LRU cache
Ans. 
LRU cache is a data structure that stores the most recently used items, discarding the least recently used items when full.
• Use a combination of a doubly linked list and a hashmap to efficiently implement LRU cache.

• Keep track of the most recently used item at the head of the linked list and the least recently used item at the tail.

• When a new item is accessed, move it to the head of the linked list and update the hashmap...read more
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Q1. Questions related to Java, Spring, DSA
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Q2. Find the number of consecutive alphabets in a string.
Ans. 
The question asks to find the number of consecutive alphabets in a string.
• Iterate through the string and check if each character is consecutive to the previous one.

• Keep track of the count of consecutive alphabets encountered.

• Return the count at the end.
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Q1. Questions related to Java, Spring, SonarCube, Unit test, SQL index, API Gateway
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Q1. Mostly CTC discussion
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2 programming questions on Java 8 and 2 logical reasoning questions.

Q1. Find longest palindromic substring in a string, basic java and springboot questions.
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Q1. Print all the pairs of anagram present in a list of string, questions on java and Springboot, details of the project you have worked upon.
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