Migrate to Java 25 | OpenRewrite Docs
org.openrewrite.java.migrate.UpgradeToJava25
This recipe will apply changes commonly needed when migrating to Java 25. This recipe will also replace deprecated API with equivalents when there is a clear migration strategy. Build files will also be updated to use Java 25 as the target/source and plugins will be also be upgraded to versions that are compatible with Java 25.
Tags
Recipe source
GitHub: java-version-25.yml, Issue Tracker, Maven Central
info
This recipe is composed of more than one recipe. If you want to customize the set of recipes this is composed of, you can find and copy the GitHub source for the recipe from the link above.
This recipe is available under the Moderne Source Available License.
Definition
- Recipe List
- Yaml Recipe List
- Migrate to Java 21
- Upgrade Java version
- version:
25
- version:
- Upgrade plugins to Java 25 compatible versions
- Migrate
System.out.printto Java 25 IO utility class - Migrate
public static void main(String[] args)to instancevoid main() - Use
Process#waitFor(Duration) - Replace unused variables with underscore
- Replace
InflaterandDeflaterend()calls withclose() - Use
Reader.of(CharSequence)for non-synchronized readers - Remove Security AccessController
- Remove Security Policy
- Remove Security SecurityManager
- Replace
System.getSecurityManager()withnull - Use
ZipExceptioninstead ofZipError - Migrate GraalVM resource-config.json to glob patterns
Used by
This recipe is used as part of the following composite recipes:
Examples
Example 1
UpgradeToJava25Test#updateCompilerVersion
- pom.xml
- Diff
Before
pom.xml
<project>
<groupId>com.mycompany.app</groupId>
<artifactId>my-app</artifactId>
<version>1</version>
<properties>
<maven.compiler.release>17</maven.compiler.release>
</properties>
</project>
After
pom.xml
<project>
<groupId>com.mycompany.app</groupId>
<artifactId>my-app</artifactId>
<version>1</version>
<properties>
<maven.compiler.release>25</maven.compiler.release>
</properties>
</project>
Example 2
UpgradeToJava25Test#updateCompilerVersion
- pom.xml
- Diff
Before
pom.xml
<project>
<groupId>com.mycompany.app</groupId>
<artifactId>my-app</artifactId>
<version>1</version>
<properties>
<maven.compiler.release>17</maven.compiler.release>
</properties>
</project>
After
pom.xml
<project>
<groupId>com.mycompany.app</groupId>
<artifactId>my-app</artifactId>
<version>1</version>
<properties>
<maven.compiler.release>25</maven.compiler.release>
</properties>
</project>
Usage
This recipe has no required configuration options. It can be activated by adding a dependency on `org.openrewrite.recipe:rewrite-migrate-java` in your build file or by running a shell command (in which case no build changes are needed):
- Gradle
- Gradle init script
- Maven POM
- Maven Command Line
- Moderne CLI
- Add the following to your
build.gradlefile:build.gradle
plugins {
id("org.openrewrite.rewrite") version("latest.release")
}
rewrite {
activeRecipe("org.openrewrite.java.migrate.UpgradeToJava25")
setExportDatatables(true)
}
repositories {
mavenCentral()
}
dependencies {
rewrite("org.openrewrite.recipe:rewrite-migrate-java:3.31.1")
} - Run
gradle rewriteRunto run the recipe.
See how this recipe works across multiple open-source repositories
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Please contact Moderne for more information about safely running the recipes on your own codebase in a private SaaS.
Data Tables
- SourcesFileResults
- SearchResults
- SourcesFileErrors
- RecipeRunStats
- MavenMetadataFailures
Source files that had results
org.openrewrite.table.SourcesFileResults
Source files that were modified by the recipe run.
| Column Name | Description |
|---|---|
| Source path before the run | The source path of the file before the run. null when a source file was created during the run. |
| Source path after the run | A recipe may modify the source path. This is the path after the run. null when a source file was deleted during the run. |
| Parent of the recipe that made changes | In a hierarchical recipe, the parent of the recipe that made a change. Empty if this is the root of a hierarchy or if the recipe is not hierarchical at all. |
| Recipe that made changes | The specific recipe that made a change. |
| Estimated time saving | An estimated effort that a developer to fix manually instead of using this recipe, in unit of seconds. |
| Cycle | The recipe cycle in which the change was made. |