TCS Java Developer Interview Questions, Process, and Tips

Q1. Basics of core Java and java8
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Q1. Coding on streamApi
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Q1. How you had done exception handling in spring.
Ans. 
Exception handling in Spring is done using @ExceptionHandler annotation, @ControllerAdvice annotation, and custom exception classes.
• Use @ExceptionHandler annotation in controller classes to handle specific exceptions.

• Use @ControllerAdvice annotation to define global exception handling for all controllers.

• Create custom exception classes by extending RuntimeException or Exception classes.

• Use try-catch blocks to handle ex
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Q2. How u configure multiple data sources in spring
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Multiple data sources in Spring can be configured using Spring Boot's @Configuration annotation and @Bean annotation.
• Use @Configuration annotation to define a configuration class for each data source

• Use @Bean annotation to create DataSource objects for each data source

• Use @Primary annotation to specify the primary data source if needed
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Q1. How much salary is required
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Normal aptitude test

Prepare to choose your language

Listen the topic. Do talk necessary details.

Q1. Prepare to choose your language
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It was not very difficult

Q1. Had coding questions scenario basis
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Q1. Personal and professional level questions
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There are 20 questions and the time given is 40 minutes. There is a negative marking of 1/3rd for the questions. Important topics include Number System, Profit-Loss, Equations, Ratio and Proportion, Percentages, Time and Work, Time-Speed-Distance, Ares and Mensuration, Averages, Permutations and Combinations, Prob, Plane Geometry, Seating Arrangements, Sets, Functions, Series, Coding, Truth and lie based puzzles and Progressions.

Q1. It has 10 to 12 MCQ questions on Basic Programming Languages and the time given is 20 minutes.
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It consists of 1 to 2 questions and the time allotted is 20 minutes, there might be a choice to choose the programming language.

Q1. Here you will be given certain clues/ words using which you have to write an e-mail addressing the scenario. tip - use all phrases given without missing even a single word for better results.
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Q1. Always remember what you have written in your resume and write what you know. They will ask you about teh confidence level(or rating) you have in that particular language that you mentioned based on which ...read more
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Q1. This might happen or might not but it is better to know if asked. This round includes everything which was in technical round but the main purpose of this round is to put you in stressfull conditions to te...read more
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Q1. This is the final round . Interview panel can Question you anything related to your personality, family, education, certificates, projects, hobbies, internships, GK. ans some basic questions like Why shoul...read more
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Q1. About the likes and dislikes
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Some thing about current pendamic