Package Summary Overview Summary

class:AssertionError [NONE]

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:<init>() [NONE]

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

constructor:<init>(java.lang.Object) [NONE]

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()

constructor:<init>(boolean) [NONE]

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

constructor:<init>(char) [NONE]

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

constructor:<init>(int) [NONE]

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

constructor:<init>(long) [NONE]

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

constructor:<init>(float) [NONE]

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

constructor:<init>(double) [NONE]

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

constructor:<init>(java.lang.String,java.lang.Throwable) [NONE]

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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