iFour Technolab Vue.Js Developer Interview Questions and Answers

It was easy process and the questions is easy for freshers to clear the interview

Q1. Oops c# mvc asp.net web api asp.net core
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Q1. VB and QTP basics
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Q2. How to create a TSR file?
Ans. 
A TSR file can be created using a text editor or a software program that supports saving files in the TSR format.
• Use a text editor like Notepad or a software program like Turbo Pascal to write the code for the TSR program.

• Save the file with a .tsr extension to create the TSR file.

• Compile the code if necessary before saving it as a TSR file.
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Q3. How to automate windows componenets
Ans. 
Windows components can be automated using scripting languages like PowerShell or batch files.
• Use PowerShell scripts to automate tasks such as installing software or configuring settings.

• Utilize batch files to automate repetitive tasks like file management or system maintenance.

• Explore the Windows Task Scheduler to schedule automated tasks to run at specific times or events.
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Q4. Remoe automation
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Q1. Behavioral questions
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It was online 60min test.

It was offline 30 min test.

Q1. Oops,dbms,css,html,dsa,java.
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Q2. It was very friendly .
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Q1. What are the 4 principles of oops?
Ans. 
The 4 principles of OOP are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class, protecting the data.

• Abstraction hides complex implementation details and only shows the necessary features.

• Polymorphism allows objects to be treated as instances of their parent class.
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Q2. What is the difference between string buffer and string builder?
Ans. 
String buffer is synchronized and thread-safe, while string builder is not synchronized and faster.
• String buffer is synchronized, making it thread-safe for use in multi-threaded environments.

• String builder is not synchronized, providing better performance in single-threaded applications.

• String builder is faster than string buffer due to lack of synchronization overhead.

• Example: StringBuffer sb = new StringBuffer(); Str
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Q3. Why strings are immutable?
Ans. 
Strings are immutable in order to ensure data integrity and security.
• Immutable strings prevent accidental data modification, ensuring data integrity.

• Immutable strings enhance security by preventing unauthorized access or tampering.

• Immutable strings allow for more efficient memory management and optimization.

• Example: 'Hello' cannot be changed to 'Hella' directly, a new string must be created.
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Q4. What are the different types of exception in java?
Ans. 
There are two types of exceptions in Java: checked exceptions and unchecked exceptions.
• Checked exceptions are checked at compile time and must be handled using try-catch or throws keyword.

• Unchecked exceptions are not checked at compile time and include RuntimeException and its subclasses.

• Examples of checked exceptions include IOException, SQLException, and ClassNotFoundException.

• Examples of unchecked exceptions include...read more
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Q5. Explain linear search algorithm.
Ans. 
Linear search is a simple searching algorithm that sequentially checks each element in a list until a match is found.
• Iterate through each element in the list

• Compare the current element with the target value

• Return the index if a match is found, otherwise return -1
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Q6. Difference between JDK jvm and jre
Ans. 
JDK includes JRE and development tools, while JRE includes only the Java Runtime Environment.
• JDK stands for Java Development Kit, which includes JRE and development tools like compilers and debuggers.

• JRE stands for Java Runtime Environment, which includes JVM and libraries necessary to run Java applications.

• JVM stands for Java Virtual Machine, which is responsible for executing Java bytecode.

• JDK is used for developing ...read more
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Q1. Design tinyurl system design
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Aptitude ,logical reasoning and quant aptitude

General topic of the day

Q1. Skillset that you possess
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Q2. Why opt this job?
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Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in building web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and project management tools like Jira

• Strong problem-solving skills and ab...read more
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Q2. Tell me about your projects
Ans. 
I have worked on various projects including a web application for a retail company and a mobile app for a fitness tracker.
• Developed a web application for a retail company to manage inventory and sales

• Created a mobile app for a fitness tracker to track workouts and calories burned

• Implemented a chatbot for customer support in a banking application
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