Deloitte Senior Systems Engineer Interview Questions and Answers for Freshers

1. One question was given to be solved in 1 hour. Question was medium level based on strings.

Q1. 1. 1:1 interview, mostly discussion around OOPS concepts and some basic dynamic programming questions.
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1. 3 questions were given out of which any 2 needed to be solved. 1 question related to Database design and query, 2 questions related to DSA, both DSA questions were medium-hard type based on Dynamic programming and graph.
I solved one Dynamic programming question and Database question.

Q1. 1. This round was the follow up of last case study round. Interviewer gave various use cases to test on the algorithms that I had written. Some discussion related to OOPS concepts and Database design quest...read more
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Q1. It was final discussion, mostly around cultural fit and classic HR questions. It was easy one, I'd say.
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Q1. Pretty basic technical round around 30 mins. For an associate level role the technical questions are pretty straightforward and easy.
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Q1. Java8 related questions
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Q2. Collections
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Basic Maths was asked by the test

Q1. Focus was on OOPS and design patterns
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Q1. Oops, javascript, react related questions
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Q2. .net and ci/cd
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Q1. Tell me strength
Ans. 
My strength lies in my problem-solving skills, attention to detail, and ability to work well under pressure.
• Strong problem-solving skills

• Attention to detail

• Ability to work well under pressure
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Q2. What is situation you were lacked in something in your journey
Ans. 
I lacked experience in working with a specific programming language
• I lacked experience in Java programming during my first job

• I struggled to adapt to the syntax and best practices of Java

• I took online courses and worked on personal projects to improve my Java skills
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Q1. Remove duplicates in array
Ans. 
Remove duplicates in array
• Use a hash table to keep track of seen elements

• Sort the array and remove duplicates in a single pass
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Q2. What is public static void main in java
Ans. 
public static void main is the entry point of a Java program
• public: access modifier that allows the main method to be accessed from anywhere

• static: indicates that the main method belongs to the class and not to an instance of the class

• void: indicates that the main method does not return any value

• main: the name of the method that serves as the entry point of the program

• String[] args: an array of strings that can be pass
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MCQs ques related to dbms,os ,oops

2 coding question on basic dsa and arrays and 2 SQL queries