K Line Ship Management Engineer Trainee Interview Questions and Answers

Q1. Concept of opps
Ans. 
Concept of opps refers to Object Oriented Programming Principles.
• OOPs is a programming paradigm based on the concept of 'objects', which can contain data in the form of fields and code in the form of procedures.

• The four main principles of OOPs are Inheritance, Encapsulation, Abstraction, and Polymorphism.

• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation refers to the bundlin...read more
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Q2. What is conatiner and all
Ans. 
A container is a standardized unit used for storing and transporting goods.
• Containers come in various sizes and types, such as shipping containers, storage containers, and food containers.

• They are typically made of metal, plastic, or wood, and are designed to be durable and secure.

• Containers are used in industries such as logistics, shipping, and warehousing to efficiently move and store goods.

• Examples include ISO ship...read more
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It was domain specific questions and some normal aptitude

Q1. They asked about family and some company related questions and core questions from domain.
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Q2. They asked me to describe minor project of college.
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1st round was a hackathon coding.2 coding questions were asked

Q1. What is synchronisation
Ans. 
Synchronization is the coordination of multiple processes or threads to ensure their orderly execution.
• Synchronization is used to prevent race conditions and ensure data consistency.

• It involves using locks, semaphores, or other mechanisms to control access to shared resources.

• Examples of synchronization include mutual exclusion, critical sections, and inter-process communication.

• Synchronization can also be achieved thr...read more
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Q2. What is deadlock 2 Coding questions and asked to execute them
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Q3. What is thread ? Oops concepts
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A thread is a lightweight process that can run concurrently with other threads within a program.
• Threads allow for parallelism and can improve performance in certain situations.

• Threads share the same memory space as the parent process.

• Threads can communicate with each other through shared memory or message passing.

• Thread safety is important to prevent race conditions and other concurrency issues.

• Examples of multi-thread...read more
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Q1. Self introduction About project
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Q2. Scenario based questions
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Time based mcqs are there

Q1. Swap two numbers without using third variable
Ans. 
Swap two numbers without using a third variable
• Use bitwise XOR operation to swap two numbers without using a third variable

• Example: a = 5, b = 7. a = a XOR b, b = a XOR b, a = a XOR b will swap the values
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Q1. Company related questions
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