Java Module java.base Package java.lang Class InstantiationException（JDK11）

173 阅读 0 评论 0 点赞

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.ReflectiveOperationException
    - - java.lang.InstantiationException

All Implemented Interfaces:

Serializable
```
public class InstantiationException
extends ReflectiveOperationException
```
Thrown when an application tries to create an instance of a class using the newInstance method in class Class, but the specified class object cannot be instantiated. The instantiation can fail for a variety of reasons including but not limited to:
- the class object represents an abstract class, an interface, an array class, a primitive type, or void
- the class has no nullary constructor
Since:

1.0

See Also:

Class.newInstance(), Serialized Form

Constructor Summary

Constructors
Constructor	Description
`InstantiationException()`	Constructs an `InstantiationException` with no detail message.
`InstantiationException(String s)`	Constructs an `InstantiationException` with the specified detail message.

Method Summary
- Methods declared in class java.lang.Throwable
  addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
- Methods declared in class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - InstantiationException
```
public InstantiationException()
```
    Constructs an InstantiationException with no detail message.
  - InstantiationException
```
public InstantiationException(String s)
```
    Constructs an InstantiationException with the specified detail message.
    
    Parameters:
    
    s - the detail message.

微信小程序

微信扫一扫体验

微信公众账号

微信扫一扫加关注

发表
评论返回
顶部