e2open Lead Engineer Interview Questions and Answers

Q1. Coding questions java
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Q2. Logical program s
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Q1. Basics of OOPS and SQL or any programming language familiar with
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Q1. Basic HR questions like will you relocate and What is your goal and what do you want from company?
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2 Coding Questions were asked

Q1. Tell us about yourself
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience working in Agile environments

• Passionate about learning new technologies
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Q2. Questions based on my project
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The topic given to me is AI is good or bad

Q1. Program to find prime number
Ans. 
A program to find prime numbers in a given range.
• Iterate through numbers in the given range

• Check if each number is divisible by any number other than 1 and itself

• If not divisible, then the number is prime
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Q2. Program to find the duplicates
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Program to find duplicates in an array of strings
• Iterate through the array and store each element in a hash set

• If an element is already in the hash set, it is a duplicate

• Return a list of all duplicates found
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Q1. Self introduction
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Q2. Explanation of project code
Ans. 
The project code is a web application that allows users to create and share interactive quizzes.
• The code uses HTML, CSS, and JavaScript to create the front-end interface.

• It utilizes Node.js and Express for the back-end server.

• MongoDB is used as the database to store user-generated quizzes.

• Socket.io is used for real-time communication between users during quiz sessions.
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Multiple question math GK reasoning etc

Q1. C# string and string builder
Ans. 
String is mutable which mean one values assign then it can not change It create new object every execute String builder is immutable its values is changes dynamically means it can not create new object
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Q2. Sql question total 40 min on call
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Select *from table1,table and execute result Join queres
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Q3. Java script difference b/w java script and jQuery anonymous function in java
Ans. 
JavaScript anonymous functions in jQuery are used to create functions without a name, while JavaScript functions are named functions.
• JavaScript functions are named and can be reused multiple times.

• jQuery anonymous functions are used for event handling and callbacks.

• JavaScript functions can be defined using the function keyword, while jQuery anonymous functions are created using the $ symbol.
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Q4. Constructor type casting its types
Ans. 
Constructor type casting involves converting one data type to another in a constructor.
• Constructor type casting is used to convert one data type to another in a constructor.

• It can be done implicitly or explicitly depending on the languages.

• For example, in Java, you can explicitly cast a data type in a constructor like this: int num = (int) doubleNum;
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Q5. C# reverse string program without using in build feature
Ans. 
Reverse a string in C# without using built-in features
• Create a character array from the input string

• Use two pointers to swap characters at the beginning and end of the array

• Continue swapping until the pointers meet in the middle
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Sql queries and c# coding