updated v1 RS Readme

Author: scmacdon

java/example_code/redshift/README.md

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+# Amazon Redshift code examples for the SDK for Java 2.x
+
+## Overview
+
+Shows how to use the AWS SDK for Java 2.x to work with Amazon Redshift.
+
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+
+_Amazon Redshift is a fast, fully managed, petabyte-scale data warehouse service that makes it simple and cost-effective to efficiently analyze all your data using your existing business intelligence tools._
+
+## ⚠ Important
+
+* Running this code might result in charges to your AWS account. For more details, see [AWS Pricing](https://aws.amazon.com/pricing/) and [Free Tier](https://aws.amazon.com/free/).
+* Running the tests might result in charges to your AWS account.
+* We recommend that you grant your code least privilege. At most, grant only the minimum permissions required to perform the task. For more information, see [Grant least privilege](https://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html#grant-least-privilege).
+* This code is not tested in every AWS Region. For more information, see [AWS Regional Services](https://aws.amazon.com/about-aws/global-infrastructure/regional-product-services).
+
+<!--custom.important.start-->
+<!--custom.important.end-->
+
+## Code examples
+
+### Prerequisites
+
+For prerequisites, see the [README](../../README.md#Prerequisites) in the `javav2` folder.
+
+
+<!--custom.prerequisites.start-->
+<!--custom.prerequisites.end-->
+
+### Get started
+
+- [Hello Amazon Redshift](src/main/java/com/example/redshift/HelloRedshift.java#L6) (`describeClusters`)
+
+
+### Basics
+
+Code examples that show you how to perform the essential operations within a service.
+
+- [Learn the basics](src/main/java/com/example/scenario/RedshiftScenario.java)
+
+
+### Single actions
+
+Code excerpts that show you how to call individual service functions.
+
+- [CreateCluster](src/main/java/com/example/scenario/RedshiftScenario.java#L498)
+- [CreateTable](src/main/java/com/example/scenario/RedshiftScenario.java#L475)
+- [DeleteCluster](src/main/java/com/example/scenario/RedshiftScenario.java#L247)
+- [DescribeClusters](src/main/java/com/example/scenario/RedshiftScenario.java#L430)
+- [DescribeStatement](src/main/java/com/example/scenario/RedshiftScenario.java#L324)
+- [GetStatementResult](src/main/java/com/example/scenario/RedshiftScenario.java#L408)
+- [Insert](src/main/java/com/example/scenario/RedshiftScenario.java#L265)
+- [ModifyCluster](src/main/java/com/example/scenario/RedshiftScenario.java#L356)
+- [Query](src/main/java/com/example/scenario/RedshiftScenario.java#L375)
+
+
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+
+## Run the examples
+
+### Instructions
+
+
+<!--custom.instructions.start-->
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+
+#### Hello Amazon Redshift
+
+This example shows you how to get started using Amazon Redshift.
+
+
+#### Learn the basics
+
+This example shows you how to work with Amazon Redshift tables, items, and queries.
+
+
+<!--custom.basic_prereqs.redshift_Scenario.start-->
+<!--custom.basic_prereqs.redshift_Scenario.end-->
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+
+<!--custom.basics.redshift_Scenario.start-->
+<!--custom.basics.redshift_Scenario.end-->
+
+
+### Tests
+
+⚠ Running tests might result in charges to your AWS account.
+
+
+To find instructions for running these tests, see the [README](../../README.md#Tests)
+in the `javav2` folder.
+
+
+
+<!--custom.tests.start-->
+<!--custom.tests.end-->
+
+## Additional resources
+
+- [Amazon Redshift Management Guide](https://docs.aws.amazon.com/redshift/latest/mgmt/welcome.html)
+- [Amazon Redshift API Reference](https://docs.aws.amazon.com/redshift/latest/APIReference/Welcome.html)
+- [SDK for Java 2.x Amazon Redshift reference](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/redshift/package-summary.html)
+
+<!--custom.resources.start-->
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+
+---
+
+Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+
+SPDX-License-Identifier: Apache-2.0