AWS KMS using java

This is fairly common nowadays to use AWS Key Management Service for encrypting and decrypting strings while storing them on AWS. Introduction AWS Key Management Service (KMS) is a managed…


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how to validate reCaptcha token in java

In this post, we are going to explain how to validate reCaptcha token in java using a code that you can copy and paste for verifying reCaptcha token using Google’s…


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how to get country code from ip address

In this post, we will write the code to fetch and read the Country code and Country flag from ip address For this to achieve we will be using “ip-stack”…


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Swagger with Java

What is Swagger ? Swagger 2 is an open source package written in Java to generate documentation of Swagger compliant APIs. The latest version of swagger uses a set of…


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Alexa app development

Amazon Alexa app development-build An Alexa City Guide Skill To do Alexa App development without any coding, you should follow the below mentioned steps. and hopw you would see some…


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Composite key in hibernate

It’s done using @Embeddable and @EmbeddedId annotations. Let’s assume that we are writing an application that manages “WrokspaceTaskHistory” of various clients. Every “WrokspaceTaskHistory” has a unique “WorkspaceTaskHistoryId”. To identify a…


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Alexa Skills

Learn how to create Alexa skills. Continue here


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DynamoDB

Learn all about using Dynamo DB with Java. Continue here


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