Parexel International Associate Software Engineer Interview Questions and Answers

About full stack, and personal development

Coding and skill based test

There were two question on DSA

Array, String are core point for interview, html css , sql will be plus point

Q1. What if you stuck in middle of assign task? how you gonna tackle it
Ans. 
If stuck in the middle of an assigned task, I would follow a systematic approach to tackle it.
• Analyze the problem and identify the specific issue causing the blockage

• Break down the task into smaller subtasks and prioritize them

• Seek help or guidance from colleagues or seniors if necessary

• Research and gather relevant information or resources to overcome the obstacle

• Experiment with different solutions and evaluate their e...read more
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1 hour, apti includes mathematic questions

Q1. Java related, sql related
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Q1. General about yourself why and what questions
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Q1. Explain Behaviour subject in Angular.
Ans. 
Behaviour subject in Angular is a special type of subject that allows both subscribing and emitting values.
• BehaviourSubject is a type of subject in RxJS library.

• It has an initial value that will be emitted to new subscribers.

• It stores the latest value and emits it immediately to new subscribers.

• Example: const subject = new BehaviorSubject('initial value');

• Example: subject.next('new value');
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Q2. Explain Design Principles
Ans. 
Design principles are guidelines for designing software solutions that are maintainable, scalable, and efficient.
• Design principles help in creating software that is easy to understand, modify, and maintain.

• They promote code reusability, modularity, and flexibility.

• Examples of design principles include SOLID principles, DRY (Don't Repeat Yourself), KISS (Keep It Simple, Stupid), and YAGNI (You Aren't Gonna Need It).
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Related to SQL queries and Coding's

SQL Queries and Coding related questions

Q1. O-O-O Round with Manager.
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Q2. Questions Related to your Previous Work and application Knowledge
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Q1. What is JAVA in software
Ans. 
JAVA is a high-level programming language used for developing applications and software.
• Object-oriented programming language

• Platform-independent

• Used for web development, mobile apps, enterprise software

• Has a large standard library

• Supports multithreading and networking
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Q2. What is oracle in software
Ans. 
Oracle in software refers to Oracle Corporation, a multinational computer technology corporation known for its database management systems.
• Oracle is a leading provider of relational database management systems (RDBMS).

• It offers a wide range of products and services for data management, cloud applications, and more.

• Oracle databases are widely used in enterprise applications for storing and managing data efficiently.

• Exam...read more
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Q1. Code for Hello World
Ans. 
Simple code to print 'Hello World'
• Use a print statement to display 'Hello World'

• In Python: print('Hello World')

• In Java: System.out.println('Hello World')
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Q2. Code for printing algo
Ans. 
Code for printing algorithm in software development.
• Use loops to iterate through the data to be printed.

• Consider formatting options such as spacing and alignment.

• Handle edge cases like empty input or invalid data.

• Example: for (int i = 0; i < array.length; i++) { System.out.println(array[i]); }
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Q1. Different arrays in string types
Ans. 
Arrays of string types are collections of strings stored in a single variable.
• Arrays can be declared and initialized with string values like ['apple', 'banana', 'cherry'].

• Access individual strings in the array using index like array[0] for 'apple'.

• Perform operations like sorting or filtering on arrays of strings.
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Q2. Different strings in array texts
Ans. 
Comparing different strings in an array of texts.
• Iterate through the array and compare each string with the others.

• Use a nested loop to compare each pair of strings.

• Consider using a hash map to store the frequency of each unique string for efficient comparison.
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Q1. Different dS in software engineer
Ans. 
Different design patterns in software engineering
• Creational patterns (e.g. Singleton, Factory)

• Structural patterns (e.g. Adapter, Decorator)

• Behavioral patterns (e.g. Observer, Strategy)
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Q2. Diff types in string test types
Ans. 
Different types of string test types include equality, containment, length, case sensitivity, and pattern matching.
• Equality test: comparing two strings to see if they are exactly the same

• Containment test: checking if a string contains a specific substring

• Length test: determining the length of a string

• Case sensitivity test: checking if two strings are equal while considering case

• Pattern matching test: using regular expr
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