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53 lines
1.7 KiB
Markdown
53 lines
1.7 KiB
Markdown
---
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title: SDK
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---
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Every project uses a Software Development Kit (SDK).
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For Java projects, SDK is referred to as JDK (Java Development Kit).
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SDK determines which API library is used to build the project. If your project is multi-module, the project SDK by default is common for all modules within the project.
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Optionally, you can configure individual SDK for each module.
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For more information about SDKs, see
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[JDKs](http://www.jetbrains.com/idea/webhelp/jdks.html)
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and
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[Configuring Project JDK](http://www.jetbrains.com/idea/webhelp/configuring-project-jdk.html)
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in IntelliJ IDEA Web Help.
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### Getting Project Sdk Information
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Main information about the project Sdk can be accessed via
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[ProjectRootManager.java](https://github.com/JetBrains/intellij-community/blob/master/platform/projectModel-api/src/com/intellij/openapi/roots/ProjectRootManager.java)
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like the following example shows
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```java
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String projectSdk = ProjectRootManager.getInstance(project).getProjectSdk();
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```
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### Getting And Setting Project SDK Attributes
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* To get the project-level SDK
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```java
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Sdk projectSDK = ProjectRootManager.getInstance(project).getProjectSdk();
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```
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* To get the project-level SDK name:
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```java
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String projectSDKName = ProjectRootManager.getInstance(project).getProjectSdkName();
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```
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* To set the project-level SDK:
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```java
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ProjectRootManager.getInstance(project).setProjectSdk(Sdk jdk);
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```
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* To set the project-level SDK name:
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```java
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ProjectRootManager.getInstance(project).setProjectSdkName(String name);
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```
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See the following [code sample](https://github.com/JetBrains/intellij-sdk-docs/blob/master/code_samples/project_model/src/com/intellij/tutorials/project/model/ProjectSdkAction.java)
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to get more familiar with SDK manipulation tool set.
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