UST BlueConch Technologies Java Software Engineer Interview Questions and Answers

Q1. Basic c# questions , few logical and angular questions.
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Q1. DB questions, design patterns, few architectural questions.
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Data Structure related questions

Q1. Java related interview questions
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Process for freshers-

Go through RS Agarwal book and be ready for logical reasoning questions

Criteria for selection is 75% so make sure to select right ans

There will be 2 questions based on selected language

And questions on general English.

Q1. Technical round will based on mentioned language in resume. My round was on Java language. So prepare the basic of Java and advance Java some time they ask you to write some syntax so prepare those synta...read more
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Q1. It's formality round Just present your self well Be ready to reallocate any where they want. You can ask some question about the work culture in company.
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Q1. Advantage and disadvantage of framework.
Ans. 
Frameworks provide structure and pre-built components for software development, but can also limit flexibility and require learning curve.
• Advantage: Provides structure and pre-built components for faster development

• Advantage: Can improve code quality and maintainability

• Disadvantage: Can limit flexibility and customization

• Disadvantage: Requires learning curve and potential dependency issues

• Example: ReactJS provides a fr...read more
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Q1. What is Oops? Advantage and disadvantage
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Oops stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent real-world entities.
• Advantages: code reusability, modularity, encapsulation, inheritance, polymorphism

• Disadvantages: complexity, steep learning curve, performance overhead

• Example: creating a class 'Car' with properties like 'make', 'model', and 'year', and methods like 'start_engine' and 'stop_engine'
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Q1. How are unions used
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Unions are used to combine multiple variables of different data types into a single variable.
• Unions allow for efficient use of memory by sharing the same memory location for different variables.

• They are commonly used in low-level programming for hardware access and data serialization.

• An example of a union is a struct that contains a float and an integer, where changing the value of one will affect the other.
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Q2. Different types of joins
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Different types of joins are Inner Join, Left Join, Right Join, and Full Outer Join.
• Inner Join returns only the matching rows from both tables.

• Left Join returns all the rows from the left table and matching rows from the right table.

• Right Join returns all the rows from the right table and matching rows from the left table.

• Full Outer Join returns all the rows from both tables, with NULL values in the columns where there
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Q1. Write a Program Nth term in a infinite series example: 2,4,8,2,4,8……..n…….infinite
Ans. 
Program to find the Nth term in an infinite series
• The series has a repeating pattern

• Use modulo operator to find the index of the repeating pattern

• Calculate the value of Nth term based on the pattern
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Q2. Write a Program identify Max length of a substring from a given string and also the substring should be palindrome
Ans. 
Program to find the longest palindrome substring in a given string.
• Iterate through the string and check for palindromes of different lengths

• Store the longest palindrome found

• Return the length and substring
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Q3. What is your comfort level on HTML, CSS and JavaScript
Ans. 
I am highly proficient in HTML, CSS, and JavaScript.
• Extensive experience in building responsive web applications using HTML, CSS, and JavaScript

• Strong understanding of front-end frameworks like React, Angular, or Vue.js

• Familiarity with CSS preprocessors like SASS or LESS

• Knowledge of modern JavaScript ES6+ features and best practices

• Experience in optimizing web performance and cross-browser compatibility
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Q4. What are reasons for your transitions in Career
Ans. 
Transitions were driven by desire for growth, new challenges, and better alignment with personal values.
• Desire for professional growth and development

• Seeking new challenges and opportunities

• Alignment with personal values and mission

• Exploring different industries and technologies

• Relocation for personal reasons
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Q5. Oracle EBS 12.1 and 12.2 Technical Architecture Differences
Ans. 
Differences between Oracle EBS 12.1 and 12.2 Technical Architecture
• 12.2 has a web-based interface while 12.1 has a client-server interface

• 12.2 has a multi-node architecture while 12.1 has a single-node architecture

• 12.2 has a more modular architecture with fewer dependencies

• 12.2 has a more streamlined upgrade process compared to 12.1
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Q6. What is your current role and how do you handle your daily tasks
Ans. 
I am currently working as a Senior Software Engineer and I handle my daily tasks by prioritizing them based on their importance and urgency.
• I start my day by checking my emails and responding to any urgent requests

• I then review my to-do list and prioritize my tasks for the day

• I break down complex tasks into smaller, more manageable ones

• I collaborate with my team members to ensure that we are all on the same page

• I use p...read more
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Q7. Tell me in detail step by step process for registering XML Publisher Report
Ans. 
The process for registering XML Publisher Report
• Create a data model for the report

• Create a template for the report using RTF or XSL-FO

• Upload the template to the server

• Create a report definition using the data model and template

• Register the report definition with the XML Publisher server
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Q8. Java Exceptions hierarchy(IOException then Exception Block , what error we get here)
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Q9. Write a Program to find a second max in the give list? and Time Complexity
Ans. 
Program to find second max in a list and its time complexity
• Sort the list in descending order and return the second element

• Traverse the list and keep track of the maximum and second maximum elements

• Time complexity: O(n)
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