java调用C++编写的动态库dll

public class NativeDemo { int i; public static void main(String[] args) { NativeDemo ob=new NativeDemo(); ob.i=10; System.out.println("This is ob.i before the native method:"+ob.i); ob.test(); System.out.println("This is ob.i after the native method:"+ob.i); } //使用native修饰的方法，方法不能有方法体，但可以用C/C++实现方法体 public native void test(); static{ //加载NativeDemo.dll动态库 System.loadLibrary("NativeDemo"); } }