Cannot instantiate the type Locale.Category
时间: 2024-03-14 15:45:13 浏览: 22
这个错误通常是因为你在使用 Locale.Category 构造函数创建 Locale 对象时出现的。
Locale.Category 是一个枚举类型,不能直接实例化。你需要使用 Locale 类的构造函数来创建 Locale 对象,例如:
```
Locale locale = new Locale("en", "US");
```
这将创建一个代表英语(美国)的 Locale 对象。你可以根据自己的需求设置不同的语言代码和国家/地区代码。请注意,这些代码应该符合 ISO 639 和 ISO 3166 标准。
相关问题
Cannot instantiate the type Rectangle
This error occurs when you try to create an instance of a class that is declared as abstract or when you try to create an instance of a class using the keyword "new" without specifying a constructor.
For example, let's say you have an abstract class called "Shape" and a concrete class called "Rectangle" that extends the "Shape" class. If you try to create an instance of "Shape" like this:
```
Shape shape = new Shape();
```
You will get the "Cannot instantiate the type Shape" error because "Shape" is an abstract class and cannot be instantiated.
To create an instance of the "Rectangle" class, you need to use the following code:
```
Rectangle rect = new Rectangle(width, height);
```
This code creates a new instance of the "Rectangle" class using the constructor that takes two arguments: the width and height of the rectangle. Make sure that the "Rectangle" class has a constructor that takes these arguments, otherwise you will get a different error.
cannot instantiate class: weblogic.jndi.wlinitialcontextfactory
这个错误通常表示 WebLogic 无法实例化 InitialContextFactory 类。有可能是类路径没有正确配置,或者 InitialContextFactory 类没有在应用程序的类路径中可用。需要检查配置和类路径,并确保 InitialContextFactory 可用。
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