java 反射创建对象并传入参数

/*
* 通过反射创建带参数的对象
*/
public Object Creatobject(String ClassPath, Object[] Params) throws Exception {
Class<?> demo = null;
Object obj = null;
demo = Class.forName(ClassPath);
if (Params != null) {
Class[] argsClass = new Class[Params.length];
for (int i = 0, j = Params.length; i < j; i++) {
argsClass[i] = Params[i].getClass();
}
Constructor cons = demo.getConstructor(argsClass);
obj = cons.newInstance(Params);
} else {
obj = demo.newInstance();
}
return obj;
}