JRebel Feature Comparison Matrix
| Java EE Support | 
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JVM Hot Swap |
|---|---|---|
| Time to reload | < 1s | < 1s |
| No memory leak |  |
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Changes to Class structure
The ability to make changes when coding a class. Add, remove, change or rename almost anything, including Fields, Methods, Signatures and Types.
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| Changes to method bodies | |
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| Adding/removing Methods | |
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| Adding/removing constructors | |
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| Adding/removing fields | |
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| Adding/removing classes | |
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| Adding/removing annotations | |
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| Changing static field value | |
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| Adding/removing enum values | |
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| Changing interfaces | |
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| Replacing superclass | |
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| Adding/removing implemented interfaces | |
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Instant Builds
Increasing developer productivity by instantly reloading class files, resource files and framework configuration even when deploying a packaged WAR/EAR outside of exploded development.
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| Skip builds for WAR directories | |
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| Skip builds for .WAR/.EAR class updates | |
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| Skip builds for .WAR/.EAR resource updates | |
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| Map multiple source dirs to one .WAR/.EAR target dir | |
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| Map classes and resources with include/exclude patterns | |
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| Map multiple source dirs with Ant-style patterns | |
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| Use system properties to make mapping machine-independent | |
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| Maven plugin | |
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Remoting/Cloud
Enables JRebel functionality in remote development environments. Keeps the remote runtime in sync with the local IDE workspace.
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| Application updates over HTTP | |
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