Package java.lang

## Class NoClassDefFoundError

- java.lang.Object
- - java.lang.Throwable
  - - java.lang.Error
    - - java.lang.LinkageError
      - - java.lang.NoClassDefFoundError

- All Implemented Interfaces:
    `Serializable`

      public class NoClassDefFoundError
      extends LinkageError

  Thrown if the Java Virtual Machine or a `ClassLoader` instance 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.

  See Also:
    Serialized Form

- - ### 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 java.lang.Throwable

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

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### NoClassDefFoundError

          public NoClassDefFoundError()

      Constructs a `NoClassDefFoundError` with no detail message.

    - #### NoClassDefFoundError

          public NoClassDefFoundError​(String s)

      Constructs a `NoClassDefFoundError` with the specified detail message.
      Parameters:
        `s` - the detail message.