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|Java - Interview Questions and Answers|
|Ans. CloudFront for Static Media and cached content|
EC2 and EKS ( Docker ) for main application computing
RDS and DynamoDB for Database
Lambda ( computing ) for running back end cron jobs
Kinesis for streaming and SQS for queuing
CloudWatch for Monitoring
CloudFormation for Infrastructure templating
S3 for Object Storage
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|Difference between == and .equals() ?|
|Why is String immutable in Java ?|
| Explain the scenerios to choose between String , StringBuilder and StringBuffer ?|
What is the difference between String , StringBuilder and StringBuffer ?
|What are the difference between composition and inheritance in Java?|
|Does garbage collection guarantee that a program will not run out of memory?|
|What are different ways to create String Object? Explain.|
|Why Char array is preferred over String for storing password?|
|Why do we need Inner classes ? Cant we just work with outer classes wherever we implement Inner classes ?|
|What is the difference between declaration, instantiation and initialization ?|
| Explain OOPs |
Explain OOPs Principles
Explain OOPs Concepts
Explain OOPs features
Tell me something about OOPs