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This is a simple Java POC to create Parquet files This is a Spring Boot project.

A simple Spring Boot command line runner application to illustrate the use of DynamoDB.

A simple Spring Boot application to demonstrate how to upload and download files.

This is a simple Spring Boot project to send messages to an Amazon SQS queue.

A simple Java POC to read and write Microsoft Office Excel files (.xls, .xlsx).

This is a simple Spring Boot project to publish messages to an Amazon SNS topic.

This is a simple Spring Boot POC in which we try to understand how to use MongoDB cascading features provided by Spring Boot, to encrypt data before saving to MongoDB and decrypting it after fetching from MongoDB.

A simple POC to demonstrate how to write, test locally, and deploy Python Lambda functions to AWS using Chalice.

This is a simple Spring Boot project to receive messages from an Amazon SQS queue.

This is a simple Java project which demonstrates the various ways in which we can iterate over the keys in a HashMap.

A simple Java project to demonstrate how to write a MongoDB sort query in Java.

This is a simple example of a double linked list implementation in Java.

This is a simple example of a singly linked list implementation in Java.

This is a very simple example of a stack implementation in Java.

This is a simple AWS Lambda function in Java to demonstrate how a Lambda function can be triggered with a DynamoDB event.

This is a simple example of a binary tree implementation in Java.

This is a simple AWS Lambda function in Java to demonstrate how a Lambda function can be triggered with an S3 event.