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# Samples-java-helloworld # Samples-java-helloworld
This is a simple hello world example to show a JDBC connection to InterSystems IRIS. For more information about using this sample, please see [documentation](https://irisdocs.intersystems.com/irislatest/csp/docbook/DocBook.UI.Page.cls?KEY=AB_idesetup). This is a simple hello world example to show a JDBC connection to InterSystems IRIS. For more information about using this sample, please see [documentation](https://irisdocs.intersystems.com/irislatest/csp/docbook/DocBook.UI.Page.cls?KEY=AB_idesetup).
## To run this code in InterSystems Learning Labs or Evaluator Edition (on AWS, GCP, or Azure)
1. Open Samples-java-helloworld/Simple/HelloWorld.java
2. Comment out line 4 (since we won't need the package declaration here)
`//package com.intersystems.samples;`
3. For AWS, GCP, or Azure ONLY: Edit line 14 to change the ip to "try-iris" (Please skip this step if using InterSystems Learning Labs)
4. In the terminal window type:
`cd Samples-java-helloworld/simple`
`javac -cp ".:intersystems-jdbc-3.2.0.jar" HelloWorld.java`
`java -cp ".:intersystems-jdbc-3.2.0.jar" HelloWorld`
## To run this code locally ## To run this code locally
1. Clone this repo 1. Clone this repo
2. Open the repo in your favorite Java IDE (such as Eclipse, IntelliJ, or NetBeans) 2. Open the repo in your favorite Java IDE (such as Eclipse, IntelliJ, or NetBeans)
3. Open Samples-java-helloworld/simple/HelloWorld.java and verify ip, password, port, and username are right. Update as necessary. 3. Open Samples-java-helloworld/src/main/java/com/intersystems/samples/HelloWorld.java and verify ip, password, port, and username are right. Update as necessary.
4. Set up a classpath to intersystems-jdbc-3.2.0.jar 4. Set up a classpath to intersystems-jdbc-3.2.0.jar
5. Run HelloWorld.java 5. Run HelloWorld.java
## To run this code in InterSystems Learning Labs or Evaluator Edition (on AWS, GCP, or Azure)
1. Clone the `ry-iris` branch: `git clone -b try-iris https://github.com/intersystems/Samples-java-helloworld`
3. For AWS, GCP, or Azure ONLY: Edit line 14 to change the ip to "try-iris" (Please skip this step if using InterSystems Learning Labs)
4. In the terminal window, move to the `Samples-java-helloworld` and type:
`javac -cp ".:intersystems-jdbc-3.2.0.jar" HelloWorld.java`
`java -cp ".:intersystems-jdbc-3.2.0.jar" HelloWorld`