How to deploy Java applications on cloud platforms like AWS and Azure?

Various phases involve deploying Java applications on cloud platforms like AWS (Amazon Web Services) and Azure (Microsoft Azure). I'll give a broad description of the procedure for both platforms. It's important to consider that the most up-to-date feature is regularly on the official page. 

Deploying Java Applications on AWS

Create an AWS Account: Create an AWS account if you need one.

Set Up AWS Services: Depending on the needs of your application, you can choose the services you require, such as:

EC2 (Elastic Compute Cloud) for virtual servers

RDS (Relational Database Service) for databases

S3 (Simple Storage Service) for storage, etc. 

Prepare Your Application

Create a deployable version of your Java application in a JAR  (Java ARchive) or WAR (Web Application ARchive)  file format. 

Ensure your application is set up to utilize any required environment variables or configuration files for cloud deployment.

Choose Deployment Strategy

Elastic Beanstalk: AWS's platform-as-a-service (PaaS) aids in streamlining the deployment. AWS handles resource deployment, scaling, and provisioning while you provide the application code.

EC2 Instances: If you require greater control, you can manually create EC2 instances and deploy your application to them.

Configure Security

To manage incoming and outgoing traffic, configure security groups and your network.

IAM (Identity and Access Management) helps in handling user roles and permissions.

Deploy the Application

Typically, you can upload your application code to Elastic Beanstalk and let Amazon Web Services manage deployment.

You might execute your program manually or utilize tools like AWS CodeDeploy for EC2 instances.

Scale and Monitor

AWS provides auto-scaling solutions to manage variable traffic loads. 

With the aid of CloudWatch, you can set up alarms and monitor your application's performance.

Deploying Java Applications on Azure

Create an Azure Account:  Create an Azure account if you need one.

Set Up Azure Services: Like AWS, Azure offers services like VMs (Virtual Machines), Azure SQL Database, Blob Storage, etc.

Prepare Your Application

Create a Java application that can be deployable in a JAR or WAR file format.

Ensure your application is configured using Azure-specific environment variables or configuration files.

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Choose Deployment Strategy

Azure App Service: This PaaS offering is similar to AWS Elastic Beanstalk because scaling and deployment are more straightforward.

Azure VMs: You can build and set up virtual machines (VMs) and deploy your application manually to gain additional flexibility.

Configure Security

To manage network access, use Azure Network Security Groups and other technologies. 

Use Azure Active Directory to handle identity and access. 

Deploy the Application

You can deploy your code to Azure App Service using Git, GitHub, or other version control systems. 

You can manually upload your code and set up the server for VMs.

Scale and Monitor

You may monitor your application's functionality with Azure Monitor's aid.

Azure offers auto-scaling solutions based on an application's needs. 

Always refer to the most recent documentation offered by AWS and Azure for the most up-to-date instructions because individual steps and services may change as cloud platforms develop.