HCLTech Interview Questions, Process, and Tips

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Q1. Terraform slug?
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Q1. Terraform securities
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There was two coding and mcq's

Q1. Reverse array without using extra space
Ans. 
Reverse array in place without using extra space
• Use two pointers, one at the beginning and one at the end, swap elements until they meet in the middle

• For example, if the array is ['apple', 'banana', 'cherry'], after reversing it will be ['cherry', 'banana', 'apple']
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Q2. Binary tree left reversal
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Q1. What is hashmap
Ans. 
HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• HashMap is part of the Java Collections framework.

• It uses hashing to store elements in key-value pairs.

• It allows for quick retrieval of values based on keys.

• Example: HashMap map = new HashMap<>();
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Q2. What is hibernate,kafka,gcp
Ans. 
Hibernate is an ORM framework for Java, Kafka is a distributed event streaming platform, and GCP is Google Cloud Platform.
• Hibernate is an ORM (Object-Relational Mapping) framework that simplifies database interactions in Java applications.

• Kafka is a distributed event streaming platform used for building real-time data pipelines and streaming applications.

• GCP (Google Cloud Platform) is a suite of cloud computing service...read more
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Q1. Y changing the company
Ans. 
I am looking for new challenges and opportunities for growth.
• Seeking new challenges to expand my skills and knowledge

• Interested in working on different projects and technologies

• Hoping to advance my career and take on more responsibilities
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Q2. Package and location discussion
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