# Class ExecutionControl.ClassInstallException

java.lang.Object
java.lang.Throwable
java.lang.Exception
jdk.jshell.spi.ExecutionControl.ExecutionControlException
jdk.jshell.spi.ExecutionControl.ClassInstallException

All Implemented Interfaces:
  `Serializable`

Enclosing interface:
  `ExecutionControl`

public static class ExecutionControl.ClassInstallException extends ExecutionControl.ExecutionControlException
A class install (load or redefine) encountered a problem.

Since:
  9
See Also:
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ClassInstallException(String message, boolean[] installed)`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `boolean[]`
  `installed()`
  Indicates which of the passed classes were successfully loaded/redefined.

  ### 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

  - ### ClassInstallException

    public ClassInstallException(String message, boolean[] installed)

- ## Method Details

  - ### installed

    public boolean[] installed()
    Indicates which of the passed classes were successfully loaded/redefined.
    Returns:
      a one-to-one array with the `ExecutionControl.ClassBytecodes``[]` array -- `true` if installed