LMW Textile Machinery Division Senior Design Engineer Interview Questions and Answers

Mine sweeper logic for a box click

Q1. JavaScript objects
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Q1. Delete element from linked list
Ans. 
To delete an element from a linked list, update the pointers of the previous node to skip the node to be deleted.
• Traverse the linked list to find the node to be deleted

• Update the 'next' pointer of the previous node to skip the node to be deleted

• Free the memory allocated to the node to be deleted
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Q1. Expected salary
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Leetcode style medium level questions

Q1. Mostly on System Design Fundamentals and Java Concepts
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Q1. Frontend Round involved Machine Coding
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Q1. Managerial Round consists of behavioural questions
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Q1. Salary negotiations and about the company culture
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Q1. Explain about past projects
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Q1. TEst strategy document
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Q2. Finally vs finalize
Ans. 
finally is used in exception handling to define a block of code that will always be executed, while finalize is a method in Java used for cleanup operations before an object is destroyed.
• finally is used in try-catch blocks to define a block of code that will always be executed, regardless of whether an exception is thrown or not

• finalize is a method in Java that is called by the garbage collector before an object is des...read more
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Q3. 403 status code meaning
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403 status code means forbidden access to the requested resource.
• 403 status code indicates that the server understood the request but refuses to authorize it.

• It is commonly used when the user does not have the necessary permissions to access the resource.

• Examples include trying to access a restricted page without proper credentials or attempting to perform an action that requires higher privileges.
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Q4. Test listeners types
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Test listeners types are used in software testing to monitor and respond to events during test execution.
• Types of test listeners include TestNG listeners, JUnit listeners, and custom listeners

• TestNG listeners include ITestListener, ISuiteListener, and IInvokedMethodListener

• JUnit listeners include RunListener and TestWatcher

• Custom listeners can be created to handle specific events in test execution
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Q5. Automation framework
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Q1. Reverse the sentence words only (not letters). without using split or trim
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Given 2 problems with time complexity

Q1. Asked on springboot and microservices
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Q1. What is the difference b/w Interface and abstreact class
Ans. 
Interface is a contract that defines the methods a class must implement, while abstract class can have both abstract and concrete methods.
• Interface cannot have any implementation, while abstract class can have both abstract and concrete methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheritance in Java, while abstract classes are us...read more
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