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java.lang.Object | +--java.lang.Throwable
An object signalling that an exceptional condition has occurred. All exceptions are a subclass of Exception. An exception contains a snapshot of the execution stack, this snapshot is used to print a stack backtrace. An exception also contains a message string. Here is an example of how to catch an exception:
try { int a[] = new int[2]; a[4]; } catch (ArrayIndexOutOfBoundsException e) { System.out.println("an exception occurred: " + e.getMessage()); e.printStackTrace(); }
Constructor Summary | |
Throwable()
Constructs a new Throwable with no detail message. |
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Throwable(String message)
Constructs a new Throwable with the specified detail message. |
Method Summary | |
Throwable |
fillInStackTrace()
Fills in the excecution stack trace. |
String |
getMessage()
Gets the detail message of the Throwable. |
void |
printStackTrace()
Prints the Throwable and the Throwable's stack trace. |
void |
printStackTrace(PrintStream s)
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String |
toString()
Returns a short description of the Throwable. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public Throwable()
public Throwable(String message)
message
- the detailed messageMethod Detail |
public String getMessage()
public String toString()
toString
in class Object
public void printStackTrace()
public void printStackTrace(PrintStream s)
public Throwable fillInStackTrace()
try { a = b / c; } catch(ArithmeticThrowable e) { a = Number.MAX_VALUE; throw e.fillInStackTrace(); }
printStackTrace()
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