instancefieldaccess.java

jni java本地接口编程例子原代码,是java调用本地操作系统代码的接口

class InstanceFieldAccess {
    private String s;

    private native void accessField();
    public static void main(String args[]) {
        InstanceFieldAccess c = new InstanceFieldAccess();
        c.s = "abc";
        c.accessField();
        System.out.println("In Java:");
        System.out.println("  c.s = \"" + c.s + "\"");
    }
    static {
        System.loadLibrary("InstanceFieldAccess");
    }
}