範例

public class Factory {

public Factory(URL[] urls) {
customClassLoader = new URLClassLoader(urls);
}

public Object getObject(String name) throws InstantiationException, IllegalAccessException, ClassNotFoundException {
return customClassLoader.loadClass(name).newInstance();
}

private ClassLoader customClassLoader = null;
}

解決方案

變更組織資料的方式，使得預設的類別載入機制符合需求。

public class Factory {

public Factory() {
}

public Object getObject(String name) throws InstantiationException, IllegalAccessException, ClassNotFoundException {
return getClass().getClassLoader().loadClass(name).newInstance();
}

}