Java:
- What is the difference between Collection and Collections?
- List out all the interfaces in collection package
- What is the difference between ArrayList and LinkedList? And when to use it?
- What is exception propagation?
- If 1 is input, output should be print as 0. and vice versa. write a algorithm?
- What is the difference between abstract class and interface in java8?
- About string pool
- Threads
- finally vs finalize
- can we write try with out catch?
Spring:
- Explain about spring boot
- Spring Bean life cycle
- Difference between @Controller and @RestController
- Use of @Qualifier
- About @ComponentScan
- @Component vs @Service vs @Repository
- What ApplicationContext and different types
- Difference between BeanFactory and ApplicationContext
- What is Actuator?
- How to check health of a new REST service?
- What is Docker?
- About k8s
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