Java Interview Help

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Talking about You and Your project Tell us about yourself About Me Preparation Template Your recent project Common Core Java interview Questions What are the important components of java What are constructors equals method vs == operator final finally and finalize What are generics Collections What are the different collection Types ArrayList vs LinkList Vector vs ArrayList HashMap vs LinkedHashmap Failfast vs Failsafe Iterators How to create a Generic Class Producer Consumer Pattern Comparable vs Comparator What are concurrent collections Multi Threading How to create threads What is Synchronization What are class level locks What are synchronized blocks How do threads Communicate Java 8 Features What is a Lambda What are Functional Interface What is the Use Lambda What is a Predicate What are Predicate Joins What is a Function What are Default methods on interfaces How to use Stream Filter Other Methods on Stream Map vs Filter Java 9 What are private methods in interfaces What are Immutable Collections Stream API Updates Enhancements to try with resource Java 10 Features What is var Collectors API updates Java 11 String API Updates File API Updates isEmpty method Java 12 String API Updates Compact Number Format More Unicode Chars Collectors API updates Java 13 and 14 Features What is instanceof Pattern Matching What is a Record What are Helpful NullPointerExceptions What are Switch Expressions Java 15 Features What are Sealed Classes Record Enhancements Spring Boot What is Dependency Injection and IOC What are the Spring Bean Scopes Prototype in Singleton What are HTTP Scopes What are the Problems with traditional spring Why use Spring Boot What is @SpringBootApplication What is @SpringBootTest Spring Data JPA and Hibernate What is Spring Data JPA How to use Spring Data JPA Create Coupon Service Data Access Layer Create Product Service Data Access Layer What are the different Entity Object States Wha are various JPA Associations What is Cascading What is Lazy Loading What are two levels of caching How to configure Second Level Cache AOP What is AOP Wha is the AOP Terminology Transaction Management What is a Transaction What are transaction ACID Properties What are Distributed Transactions What are the Transaction Isolation Levels What is Optimistic vs Pessimistic Locking Micro Services What is a Monolithic Application What are Microservices Why Microservices REST vs Messaging REST API What is REST HTTP PUT vs POST and PATCH How did you create REST API Create Coupon Service REST API Create Product Service REST API Use RestTemplate Test End To End What are Spring Boot Profiles SOAP Webservices What is SOAP What are the Java EE Web Service Standards What are the Two Types of SOAP Design What is WSDL What is the WSDL Structure What is the Top Down approach What is the Bottom Up Design What is a SOAP Client What is MTOM SOAP vs REST Security What are the Components of Spring Security How did you secure your REST APIs What is OAuth What are the Key Components in OAuth What is the OAuth Workflow What are the OAuth Grant Types What are the Different Grant Types What is JWT Hot to configure JWT How to rotate tokens How to use Tokens with Frontends What is CSRF How to prevent CSRFs What is CORS Java Messaging Service What is messaging Why Messaging What is JMS What is the KEY JMS API Two Types of messaging JMS Transactions What is Message Grouping What is. a MDB Design Patterns What are the Design Patterns you have used What are Singleton Best Practices Testing Wha is Unit Testing What is Mocking What are the various Testing Tools you have used What are the important JUnit 5 and Mockito annotations Devops Continuous Integration vs Delivery vs Deployment What is Jenkins How to create a Jenkinsfile What are the Steps to automate a deployment How to passParams and Inputs to Jenkins Build Build Tools What the different Maven Scopes snapshots vs release How to Control Dependencies How to Override a Transitive Dependency Version Docker What is Containerization What is Docker What are the Docker Components and Workflow Why Docker What are some of the Docker Commands you have used What are Docker Volumes Volumes vs Bind Mounts How did you dockerize your application What is docker compose Kubernetes What is Container Orchestration What is Kubernetes What is a Pod What is a ReplicaSet What is a Deployment What is a Service What are different Service Types What are Namespaces Explain Kubenetes Architecture Volumes vs PV What are PV and PVC How to use a PVC What are Config Maps and Secrets AWS What are Regions Zones and Edge Locations What is EC2 What is a AMI What are Spot Instances Public vs Elastic IP What are EC2 instance States How to Connect to a linux instance How to Secure Ec2 instance How to do Load Balancing How to use Auto Scaling Create custom user What is SNS How to Send Notifications What is Cloudwatch S3 vs EBS vs EFS What are the S3 Storage Classes What is CloudFormation RDS vs DynamoDB What is Serverless What is AWS Lambda Spring Cloud What is Spring Cloud What is Service Registration and Discovery How to use Eureka Server How to do Client side Load Balancing What is API Gateway How to use API Gateway What are Sleuth and Zipkin

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