- java.lang.Object
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- java.lang.Throwable
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- java.lang.Error
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- java.lang.AssertionError
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- 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
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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 specifiedboolean
, 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 specifiedchar
, 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 specifieddouble
, 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 specifiedfloat
, 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 specifiedint
, 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 specifiedlong
, 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 newAssertionError
with the specified detail message and cause.
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Method Summary
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Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
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Constructor Detail
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AssertionError
public AssertionError()
Constructs an AssertionError with no detail message.
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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()
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AssertionError
public AssertionError(boolean detailMessage)
Constructs an AssertionError with its detail message derived from the specifiedboolean
, 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
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AssertionError
public AssertionError(char detailMessage)
Constructs an AssertionError with its detail message derived from the specifiedchar
, 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
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AssertionError
public AssertionError(int detailMessage)
Constructs an AssertionError with its detail message derived from the specifiedint
, 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
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AssertionError
public AssertionError(long detailMessage)
Constructs an AssertionError with its detail message derived from the specifiedlong
, 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
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AssertionError
public AssertionError(float detailMessage)
Constructs an AssertionError with its detail message derived from the specifiedfloat
, 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
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AssertionError
public AssertionError(double detailMessage)
Constructs an AssertionError with its detail message derived from the specifieddouble
, 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
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AssertionError
public AssertionError(String message, Throwable cause)
Constructs a newAssertionError
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 benull
cause
- the cause, may benull
- Since:
- 1.7
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Document created the 11/06/2005, last modified the 04/03/2020
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