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+# java通过JNI调用rust
+
+编译rust代码
+
+```
+$ cd native/mylib
+$ cargo build
+```
+
+编译java代码
+
+```java
+$ cd ../../
+$ javac java/src/HelloWorld.java 
+$ java java/src/HelloWorld
+```
+看一看到输出了 Hello,fanruan.
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