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java.lang

Class AssertionError

Contents
  • All Implemented Interfaces:
    Serializable

    public class AssertionError
extends Error
    Thrown to indicate that an assertion has failed.

    The seven one-argument public constructors provided by this class ensure that the assertion error returned by the invocation: 

         new AssertionError(expression)
    has as its detail message the string conversion of expression (as defined in section 15.18.1.1 of The Java™ Language Specification), regardless of the type of expression.
    Since:
    1.4
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor and Description
      AssertionError()
      Constructs an AssertionError with no detail message.
      AssertionError(boolean detailMessage)
      Constructs an AssertionError with its detail message derived from the specified boolean, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
      AssertionError(char detailMessage)
      Constructs an AssertionError with its detail message derived from the specified char, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
      AssertionError(double detailMessage)
      Constructs an AssertionError with its detail message derived from the specified double, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
      AssertionError(float detailMessage)
      Constructs an AssertionError with its detail message derived from the specified float, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
      AssertionError(int detailMessage)
      Constructs an AssertionError with its detail message derived from the specified int, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
      AssertionError(long detailMessage)
      Constructs an AssertionError with its detail message derived from the specified long, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
      AssertionError(Object detailMessage)
      Constructs an AssertionError with its detail message derived from the specified object, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
      AssertionError(String message, Throwable cause)
      Constructs a new AssertionError with the specified detail message and cause.

      AssertionError (Java Platform SE 7 ) Home of API Java Contents Haut

    • Constructor Detail

      • AssertionError

        public AssertionError()
        Constructs an AssertionError with no detail message.

      • AssertionError

        public AssertionError(Object detailMessage)
        Constructs an AssertionError with its detail message derived from the specified object, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.

        If the specified object is an instance of Throwable, it becomes the cause of the newly constructed assertion error.

        Parameters:
        detailMessage - value to be used in constructing detail message
        See Also:
        Throwable.getCause()

      • AssertionError

        public AssertionError(boolean detailMessage)
        Constructs an AssertionError with its detail message derived from the specified boolean, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
        Parameters:
        detailMessage - value to be used in constructing detail message

      • AssertionError

        public AssertionError(char detailMessage)
        Constructs an AssertionError with its detail message derived from the specified char, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
        Parameters:
        detailMessage - value to be used in constructing detail message

      • AssertionError

        public AssertionError(int detailMessage)
        Constructs an AssertionError with its detail message derived from the specified int, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
        Parameters:
        detailMessage - value to be used in constructing detail message

      • AssertionError

        public AssertionError(long detailMessage)
        Constructs an AssertionError with its detail message derived from the specified long, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
        Parameters:
        detailMessage - value to be used in constructing detail message

      • AssertionError

        public AssertionError(float detailMessage)
        Constructs an AssertionError with its detail message derived from the specified float, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
        Parameters:
        detailMessage - value to be used in constructing detail message

      • AssertionError

        public AssertionError(double detailMessage)
        Constructs an AssertionError with its detail message derived from the specified double, which is converted to a string as defined in section 15.18.1.1 of The Java™ Language Specification.
        Parameters:
        detailMessage - value to be used in constructing detail message

      • AssertionError

        public AssertionError(String message,
              Throwable cause)
        Constructs a new AssertionError with the specified detail message and cause.

        Note that the detail message associated with cause is not automatically incorporated in this error's detail message.

        Parameters:
        message - the detail message, may be null
        cause - the cause, may be null
        Since:
        1.7
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