OodlesTechnologies Interview Questions, Process, and Tips

Q1. Asked about previous experience
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Q2. Why you want to change the job
Ans. 
Seeking new challenges and growth opportunities in a different environment.
• Desire for professional growth and development

• Looking for new challenges and experiences

• Seeking a better work-life balance

• Interested in exploring different industries or sectors
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Q1. What is sql and its uses.
Ans. 
SQL is a programming language used for managing and manipulating relational databases.
• SQL stands for Structured Query Language

• It is used to retrieve and manipulate data in relational databases

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE

• Examples of SQL database systems include MySQL, PostgreSQL, Oracle
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Total 30 mcq which includes java pseudo code, SQL and aptitude.

Gave me a simple coding question, in which I had to find duplicate characters in the string.

Q1. They started with an introduction, asked some questions about my project and then told me to write Fibonacci series using recursion and some question of Sql Joins.
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MCQ java technical questions

Q1. Reverse every word of the string
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Q2. Write down a function to remove duplicate from the array
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Q1. Salary discussion and negotiation
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Q1. Create a function to find out if a given number is prime or not.
Ans. 
Function to determine if a number is prime or not.
• Check if the number is less than 2, return False if so

• Iterate from 2 to the square root of the number, checking for divisibility

• If no divisors found, return True (number is prime)
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Q2. Create a function to find out the least repeating consecutive character in a string.
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Create a function to find the least repeating consecutive character in a string.
• Iterate through the string and keep track of consecutive characters and their counts

• Find the character with the least count of consecutive repetitions

• Return the character with the least count
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Q3. Give the difference between call by value and call by reference.
Ans. 
Call by value passes a copy of the variable's value, while call by reference passes a reference to the variable's memory location.
• Call by value passes a copy of the variable's value, so changes made to the parameter inside the function do not affect the original variable.

• Call by reference passes a reference to the variable's memory location, so changes made to the parameter inside the function affect the original varia...read more
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Q1. Java core, basic of c and cpp,dbms
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Q2. English maths aptitude
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Q1. Opps concept sping spring mvc
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Q2. Mysql join query
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