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GeezerVison is showing docs.oracle.com — InstantiationException (Java SE 25 & JDK 25)

Class InstantiationException

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 Throwable

    addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

    Methods declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • 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.
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