Micro Moulds and Plastics Software Developer Interview Questions and Answers

Q1. How make a queue using a stack
Ans. 
To implement a queue using a stack, use two stacks and simulate the queue operations.
• Use two stacks, one for enqueue operation and one for dequeue operation.

• For enqueue operation, simply push elements onto the stack used for enqueueing.

• For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.

• Then pop from the dequeue stack to simulate dequeue operation.
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Q2. Create a linked list
Ans. 
A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.
• Create a Node class with data and next pointer

• Initialize a head pointer to null

• Add nodes by updating next pointers

• Traverse the list by following next pointers
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Q1. How does consumer, producer work in kafka
Ans. 
Consumers read data from topics, while producers write data to topics in Kafka.
• Consumers subscribe to topics to read messages from them

• Producers publish messages to topics for consumers to read

• Consumers can be part of a consumer group to scale out consumption

• Producers can specify key for messages to control partitioning
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Q1. Basic JavaScript and React.js questions
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Q2. Questions on functions, hooks and DOM
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Q3. Questions on SSR
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Q4. Questions on strings and arrays
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Api related questions

Q1. Easy-Medium level Leetcode questions on linkedlists
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Q2. Simple recursion question
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Q3. An SQL query Basic question in OOPS and resume description..
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Q4. Basic questions regarding SQL
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Q5. Difference between thread and process
Ans. 
A process is an instance of a program while a thread is a subset of a process that can run concurrently with other threads.
• Processes have their own memory space while threads share the same memory space within a process.

• Processes are independent of each other while threads within the same process can communicate with each other.

• Processes are heavier in terms of resource consumption compared to threads.

• Example: A web br...read more
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Q1. Spring security, JWT , Kakfa , Reverse vowels , suffix sum
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Basic coding questions And logical questions

Simple program for mathematics

Q1. Shallow copy and deep copy
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Q2. What is Pure component
Ans. 
A Pure component is a component in React that does not have any state or lifecycle methods, resulting in improved performance.
• Pure components are used to prevent unnecessary re-renders in React applications.

• Pure components implement shouldComponentUpdate method with shallow comparison of props and state.

• Examples of Pure components include functional components and class components that extend PureComponent class.
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