public class Test {
    
    public static void main(String[] args) throws InstantiationException, IllegalAccessException, ClassNotFoundException {
        System.out.println(getclass("com.company.interfacetest.User").getSimpleName());
    }
    
    public static Class getclass(String className) throws InstantiationException, IllegalAccessException, ClassNotFoundException// className是類名
    {
       Class obj=Class.forName(className); // 以String型別的className例項化類
       return obj;
    }
}
 

輸出結果：User