TCS Senior Java Developer Interview Questions, Process, and Tips

Q1. Questions on Spring AOP
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Q2. How do Microservies talk to eachother
Ans. 
Microservices communicate with each other through APIs and messaging protocols.
• Microservices communicate via RESTful APIs, using HTTP requests and responses.

• Message brokers like Kafka or RabbitMQ are used for asynchronous communication between microservices.

• Service discovery tools like Eureka or Consul help microservices locate and communicate with each other.

• Microservices can also communicate through gRPC, a high-perf
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Q3. Logging framework used in current project
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We are using Log4j2 for logging in the current project.
• Log4j2 is a popular logging framework in Java.

• It provides support for logging at different levels like DEBUG, INFO, WARN, ERROR, etc.

• Configuration can be done through XML, JSON, or properties file.

• Example: org.apache.logging.log4j log4j-api 2.14.1
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Time and distance, speed, XYZ, blood relations

Arrays, strings, stack, queue, linklist etc

Q1. Who are you ?
Ans. 
Experienced Senior Java Developer with a passion for creating efficient and scalable solutions.
• Over 8 years of experience in Java development

• Strong knowledge of Spring framework and Hibernate

• Experience in designing and implementing RESTful APIs

• Proficient in database management with MySQL and Oracle

• Skilled in troubleshooting and debugging complex code issues
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Q2. Why are you ?
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Easy questions DSA array and string.

Q1. Core java concepts
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Q2. Design patterns
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Q1. What is java and new features of java
Ans. 
Java is a popular programming language known for its platform independence and object-oriented approach. New features include modules, var keyword, and more.
• Java is a high-level, class-based, object-oriented programming language.

• New features in Java include modules for better code organization, the var keyword for type inference, and enhancements in the Java Platform Module System (JPMS).

• Java 14 introduced switch expre...read more
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Q2. Tell me about springbok and jam
Ans. 
Springbok and jam are popular South African dishes.
• Springbok is a type of antelope commonly found in South Africa.

• Jam is a sweet spread made from fruits and sugar.

• Springbok meat is often used in traditional South African dishes like biltong and potjiekos.

• Jam is commonly used as a topping for bread, scones, or desserts.
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