InstantiationException

  • InstantiationException is thrown when the newInstance method in Class fails to create an instance of the specified class.

  • Instantiation can fail if the class is abstract, an interface, an array, a primitive type, void, or lacks a nullary constructor.

  • This exception provides constructors to create instances with or without a detailed message explaining the failure.

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

Public Constructor Summary

InstantiationException()
Constructs an InstantiationException with no detail message.
InstantiationException(String s)
Constructs an InstantiationException with the specified detail message.

Inherited Method Summary

Public Constructors

public InstantiationException ()

Constructs an InstantiationException with no detail message.

public InstantiationException (String s)

Constructs an InstantiationException with the specified detail message.

Parameters
s the detail message.