i-exceed technology solutions Software Engineer II Interview Questions and Answers

Basic coding questions asked on syntax of java

Q1. Synchronous calls and basic of collection
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Q2. Difference between hashmap and hashtabel
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HashMap and Hashtable are both data structures used to store key-value pairs, but they differ in their implementation and features.
• HashMap allows null keys and values, while Hashtable does not.

• HashMap is not synchronized, while Hashtable is.

• HashMap is generally faster than Hashtable, but not thread-safe.

• Hashtable is thread-safe, but slower than HashMap.

• HashMap is part of the Java Collections Framework, while Hashtable ...read more
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One dsa question and one zero defect policy pros and cons

Q1. DSA graphs maximum nodes connections
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The maximum number of connections in a graph is determined by the number of nodes.
• The maximum number of connections in a graph with 'n' nodes is n*(n-1)/2.

• For example, a graph with 4 nodes can have a maximum of 6 connections (4*(4-1)/2 = 6).
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Q2. .net fulkstack code review and some therptical questions
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Q1. .net multi threading async sync
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Q2. System design of current project HLD as well as LLD
Ans. 
Designed a scalable system for real-time data processing using microservices architecture
• Used microservices architecture to break down the system into smaller, independent services

• Implemented message queues like Kafka for asynchronous communication between services

• Utilized Docker and Kubernetes for containerization and orchestration

• Designed RESTful APIs for communication between services

• Used Redis for caching and Mongo
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Q1. Some technical wuestions
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Q2. Basic Manager and behaviour wuestions
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Java coding questions, basic Java questions.

Q1. Java basics questions.
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Q2. Live coding.
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Q1. Discussion on previous experience and projects.
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Q2. System design question
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Q1. Questions on SQL, Java advanced, personal projects, Java frameworks, UI based questions, Agile methodologies.
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Q2. Interview discussion with the whole team.
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Q1. Benefits discussion.
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Q2. Salary discussion.
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It consist of 4 DSA ques and few quiz and opps concept based ques
1st was string based Medium level ques.
2nd was a ques based on 2 pointer
And other 2 was from Vector and Linked list easy ques

Q1. It was stock buy and sell ques on leetcode where we need to find Max profit and what day to buy and sell
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Q2. 2d array ques to print natural numbers in spiral form
Ans. 
Print natural numbers in spiral form using a 2D array.
• Create a 2D array with dimensions n x n.

• Initialize variables for row and column boundaries.

• Iterate through the array in a spiral pattern, filling in natural numbers.
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Q3. Hard level linked list ques
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Technical sql questions

Oops concept and sql db questions

Q1. Dependency injection
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Q1. C++ 11, 14 Deep dive, Multi-threading etc
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Q1. Sql unix transactions flow
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Q2. Sql Java ATM POS transactions flow
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