LTIMindtree Java Developer Interview Questions and Answers

Q1. Tell me about your self.
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Q2. Why do you join this company.
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Q3. What is java
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Q4. What is Oops concepts in java.
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Q5. What is an encapsulation.
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Q6. Difference between python and java.
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Q1. What is java
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Q2. What is final
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In Java, 'final' is a keyword used to declare constants, prevent method overriding, and restrict inheritance.
• Final variables cannot be reassigned once initialized. Example: final int x = 10;

• Final methods cannot be overridden by subclasses. Example: final void display() {}

• Final classes cannot be subclassed. Example: final class Constants {}
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Q1. SOLID, OOPS, Stream API probs, JAVA 8 feature
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Q2. Spring boot annotations- stereotype, microservices- saga pattern
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Q1. Transient in java, Design pattern, Abtract factory design pattern
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Q2. Map vs flatmap in java 8, Volatile keyword,
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Map applies a function to each element in a stream, while flatMap applies a function that returns a stream for each element.
• Map transforms each element in a stream using a function, returning a new stream of transformed elements.

• FlatMap transforms each element in a stream using a function that returns a stream, then flattens the streams into a single stream.

• Volatile keyword in Java is used to indicate that a variable's...read more
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Find appearance of each charector in a given string

Q1. What is spring actuator
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Spring Actuator is a feature in Spring Boot that provides monitoring and management capabilities for your application.
• Spring Actuator exposes various endpoints to monitor and manage your application, such as /health, /info, /metrics, etc.

• It allows you to check the health of your application, gather metrics, view application properties, and more.

• You can also create custom endpoints for specific monitoring needs.

• Spring A...read more
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Q2. Annotations in springboot
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Annotations in Spring Boot are used to provide metadata about the application and its components.
• Annotations are used to configure Spring Boot applications, define beans, handle requests, etc.

• Examples include @RestController, @Autowired, @RequestMapping, @Component, etc.
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Q1. About myself and my family
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Q1. Q1. Oops concept
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Q2. Q2. Kafka and message broker working Q3. Message broker configuration setup Q4. Api gateway Q5. Hash collision Q6. Can you write test cases for private class Q7. What is microservices?
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