Can I cast jfloat [] to float []?

jfloat.cpp

jsize len = env->GetArrayLength(float_vert_coords);

jfloat *jfloats;
jfloats = env->GetFloatArrayElements(vert_coords, NULL);

int i;
float cfloats [len];

for(i=0;i<len;i++)
{
   cfloats[i]=jfloats[j]  
}