Chemplast Cuddalore Vinyls Senior Engineer Interview Questions and Answers

Q1. They had asked some questions of Solar sector...
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Q1. Discuss about Some personal questions as well as Location details
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Normal . Keep calm stay focused. Study hard work smart.
Great

Q1. Nicely done... friendly Tell me about yourself
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Q2. Where are you from ?
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Q1. Details about ourself
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Q2. About work experience
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Q1. About BCD Travel company
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Q2. About my precious work experience
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Q1. Regarding 2 topics
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Q1. About my work experience
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Mixed conceptual questions from java8, Spring Boot and SQL and microservices

Q1. One round technical question and coding on Java, Java 8, Spring boot,Rest webservices, SQL. Code for rest API using jpa for CRUD.
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Q2. Singleton pattern for thread safety .
Ans. 
Singleton pattern ensures only one instance of a class is created and provides a global point of access to it.
• Use lazy initialization to create the instance only when needed.

• Use synchronized keyword to make the getInstance() method thread-safe.

• Consider using double-checked locking for better performance.

• Use enum to implement singleton pattern as it is inherently thread-safe.
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Q3. Linked list implementation
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Linked list is a data structure where each element points to the next element in the sequence.
• Nodes contain data and a reference to the next node

• Insertion and deletion can be done efficiently in a linked list

• Traversal starts from the head node and follows the next pointers
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Q1. Parenthesis balancing question
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Q2. Caching in Hibernate
Ans. 
Caching in Hibernate improves performance by storing frequently accessed data in memory.
• Hibernate supports first-level cache at session level

• Second-level cache can be configured at session factory level

• Caching strategies include read-only, read-write, and transactional

• Cache providers like Ehcache, Infinispan, and Hazelcast can be used
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Q3. Maven scope questions
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Q4. Ci and CD concept
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Q1. Salary negotiation
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Q1. Explain about Maven
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Q2. Explain about Polymorphism , TestNG concept, TestNG Framework
Ans. 
Polymorphism is the ability of a single function or method to operate on different data types. TestNG is a testing framework for Java.
• Polymorphism allows a method to behave differently based on the object it is called on.

• TestNG is a testing framework that simplifies the testing process and allows for easy configuration of test cases.

• TestNG Framework provides annotations like @Test, @BeforeMethod, @AfterMethod for test
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Q1. Why you want to left current company .
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Q2. Are you comfortable to reloacte anywhere ?
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Q1. Tell me about your self .
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Q2. What is your work profile in current company .
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Q3. Whta is your KRA. What is your working style? How do you start of your day ?
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Q1. Skills test u do in online itself
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Q2. In interview do bex with Massage Test
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Q3. 46 steps in Primsincling Massage of BFS Spa
Ans. 
Primsincling Massage of BFS Spa involves 46 steps for a complete massage experience.
• The massage starts with a warm-up session to relax the muscles.

• The therapist then applies pressure on specific points to release tension.

• Different techniques like kneading, tapping, and stroking are used for a full-body massage.

• The massage ends with a cool-down session to calm the body and mind.

• The therapist may also use aromatherapy oi
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