Bell Canada Software Developer Interview Questions, Process, and Tips

Q1. What is different between Mysql Vs sql ?
Ans. 
MySQL is a specific implementation of SQL, which is a standardized language for managing databases.
• MySQL is a specific relational database management system (RDBMS) that uses SQL as its query language.

• SQL (Structured Query Language) is a standardized language for managing databases, used by various RDBMS like MySQL, Oracle, and SQL Server.

• MySQL is open-source and free to use, while some other RDBMS like Oracle may requ...read more
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Q2. What abstraction and interface in java?
Ans. 
Abstraction and interface are key concepts in Java for achieving abstraction and defining contracts for classes.
• Abstraction in Java is achieved using abstract classes and interfaces.

• Abstract classes can have both abstract and concrete methods, while interfaces can only have abstract methods.

• Interfaces define contracts that classes must implement, allowing for polymorphism and loose coupling.

• Example: interface Shape { v...read more
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Q3. What is mean by JSP?
Ans. 
JSP stands for JavaServer Pages, a technology used for creating dynamic web pages.
• JSP allows embedding Java code in HTML pages

• It simplifies the process of creating dynamic web content

• JSP files are compiled into servlets by the server for execution
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1st round some apt qns,some prgramming qns are they asked

Q1. C depth concepts and some prgram
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Q1. Some DSA questions they asked
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Q1. Reverse a linked list.
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Q2. Merge sort on a array/
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Q1. What is method overloading and overriding
Ans. 
Method overloading is when multiple methods have the same name but different parameters. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its superclass.
• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding occurs in a subclass when a method has the same name, return type, and parameters as ...read more
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Q2. Program to swap two variables without using third
Ans. 
Swapping two variables without using a third variable
• Use XOR operation to swap two variables without using a third variable

• Example: a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // Now a = 10, b = 5
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Q1. Why you want to join this organization
Ans. 
I am impressed by the organization's innovative projects and collaborative work culture.
• Impressed by innovative projects

• Attracted to collaborative work culture

• Excited about potential for growth and learning opportunities
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Q2. What is your weakness and strength
Ans. 
My weakness is overthinking and my strength is attention to detail.
• Weakness: tend to overthink situations, which can lead to indecision or unnecessary stress

• Strength: strong attention to detail, ensuring accuracy and quality in my work

• Example: I sometimes spend too much time analyzing a problem before taking action, but I have learned to set deadlines for myself to prevent this from affecting my productivity
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Q1. What are the things that u do when your what app screen is blank
Ans. 
I would check for internet connection, restart the app, clear cache, and update the app.
• Check internet connection

• Restart the app

• Clear cache

• Update the app
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Q2. Simple python code
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Test had 2 sections..first section had 3 subsections with quants,verbal and logicals.2nd section is an English writing skill round where they give u a topic and u have to write ur views on it more than 200 words

Gd has the basic rules..they give a topic and u have to discuss on that

Q1. Hr asks you questions on your project,the programming language ur strong in and may be few code solving questions
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Q1. HR round tests your flexibility and adaptability skills.
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No too easy tests c++ oops concepts

Q1. Be thorough with data structures
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Be thorough with oops and core cs subjects