JNIEXPORT void JNICALL Java_somepackagename_SomeJavaClass_methodName(JNIEnv *, jobject, jbyteArray);

package testnativecall;

import com.eaio.nativecall.NativeCall;
import com.eaio.nativecall.VoidCall;

public class TestNativeCall {

    public static void main(String[] args) throws java.io.IOException {
        NativeCall.init();
        String message = "Удивительное рядом =) \n";
//        VoidCall printf = new VoidCall("c", "printf");
        VoidCall printf = new VoidCall("msvcrt", "printf");
        try {
            printf.executeCall(message);
            printf.executeCall(message.getBytes());
            printf.executeCall(message.getBytes("UTF-8"));
            printf.executeCall(message.getBytes("UTF-16"));
            printf.executeCall("\n");
            printf.executeCall(message.getBytes("cp1251"));
            printf.executeCall(message.getBytes("cp866"));
        } finally {
            printf.destroy();
        }
    }
}