# Class NoClassDefFoundError

java.lang.Object
java.lang.Throwable
java.lang.Error
java.lang.NoClassDefFoundError

public class NoClassDefFoundError extends Error
Thrown if the Java Virtual Machine tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the new expression) and no definition of the class could be found. The searched-for class definition existed when the currently executing class was compiled, but the definition can no longer be found. Since: JDK1.0, CLDC 1.1

- ## Constructor Summary

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

- ## Method Summary

  ### Methods inherited from class Throwable

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

  ### Methods inherited from class Object

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

- ## Constructor Details

  - ### NoClassDefFoundError

    public NoClassDefFoundError()
    Constructs a NoClassDefFoundError with no detail message.

  - ### NoClassDefFoundError

    public NoClassDefFoundError(String s)
    Constructs a NoClassDefFoundError with the specified detail message. s - the detail message.