Changepond Technologies Senior System Administrator Interview Questions and Answers

Q1. Functional Interface,java 8 features,predicate functions
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Q1. General question & scenario based questions
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Pattern program and general output questions

Q1. Technical interview one-on-one
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Q1. HR round taken by hr team
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Q1. Mostly asked java springboot questions
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Q2. What is interceptor
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An interceptor is a middleware component that intercepts incoming and outgoing HTTP requests in an application.
• Interceptors can be used for logging, authentication, error handling, and modifying requests/responses.

• In Angular, interceptors can be used to add headers to HTTP requests or handle errors globally.

• In Spring framework, interceptors can be used for pre-processing and post-processing of requests.

• Interceptors are...read more
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Q3. What are all functional interfaces available in java
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Functional interfaces in Java are interfaces with a single abstract method, used for lambda expressions and method references.
• Functional interfaces can be found in the java.util.function package.

• Examples of functional interfaces include Consumer, Supplier, Predicate, and Function.

• Functional interfaces can be identified by the @FunctionalInterface annotation.
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Q4. Gatway implementation in spring boot
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Gateway implementation in Spring Boot allows for routing and filtering of incoming requests to different microservices.
• Use Spring Cloud Gateway for implementing gateway in Spring Boot

• Define routes and filters in application.properties or application.yml

• Example: routes: - id: my_route uri: http://localhost:8080 predicates: - Path=/my_route/**

• Example: filters: - AddRequestHeader=X-Request-Foo, Bar
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Q5. Java 8 coding questions
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Q1. Print star and some basic java
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Q1. Mostly about your previous experience
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Q1. Same nothing fancy.............
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Q1. They will judge your attitude
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Q1. Python coding and resume based questions
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Q1. Mostly on OOP's basic and some tricky questions related SOLID concepts
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