Trafigura Softwaretest Engineer Interview Questions and Answers

Q1. What is restful api
Ans. 
RESTful API is an architectural style for designing networked applications
• REST stands for Representational State Transfer

• Uses standard HTTP methods like GET, POST, PUT, DELETE

• Resources are identified by URIs

• Stateless communication between client and server

• Responses are typically in JSON or XML format
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Q2. Bootstarp grid system
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Q1. Questions about kubernetes and dockerfile
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Q1. Questions about your past experience
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Q1. It was in general discussion round
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Q1. General discussion round
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30 min .. time, speed, distance

Normal easy qus via leetcode

Q1. Explain JDK. and JRD and JVM
Ans. 
JDK stands for Java Development Kit, JRE stands for Java Runtime Environment, and JVM stands for Java Virtual Machine.
• JDK is a software development kit used for developing Java applications.

• JRE is an environment used to run Java applications.

• JVM is a virtual machine that executes Java bytecode.
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2 Hrs. Hackerrank Coding Test

Q1. With HR manager.
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Q2. Why should we hire you.
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Q1. Introduction about yourself.
Ans. 
I am a software engineer with 5 years of experience in developing web applications.
• I have a strong proficiency in programming languages like Java, Python, and JavaScript.

• I have experience in working with frameworks like Spring Boot and Django.

• I am skilled in front-end development using HTML, CSS, and JavaScript.

• I have worked on database management systems like MySQL and MongoDB.

• I have knowledge of version control syste...read more
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Q2. Hashmap internal working
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Q1. There questions were on java mainly focusing on oops concept followed my exception handling concept
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Q2. What is checked and unchecked exception demonstrate with an example
Ans. 
Checked and unchecked exceptions are used in Java to handle errors. Checked exceptions must be handled, while unchecked exceptions do not.
• 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 do not require handling

• Example of checked exception: IOException

• Example of unchecked exception: NullPointerException
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Q3. They asked questions on html
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Q1. What are your salary expectations?
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Q2. Tell me about yourself.
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Basic algorithms testing

Q1. HLD question on chat application
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