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The scope for exception handlers starts with a marker clause (try or the language's block starter such as begin) and ends in the start of the first handler clause (catch, except, rescue). Several handler clauses can follow, and each can specify which exception types it handles and what name it uses for the exception object.
The definition of an exception is based on the observation that each procedure has a precondition, a set of circumstances for which it will terminate "normally". [1] An exception handling mechanism allows the procedure to raise an exception [ 2 ] if this precondition is violated, [ 1 ] for example if the procedure has been called on an abnormal ...
try (FileReader fr = new FileReader (path); BufferedReader br = new BufferedReader (fr)) {// Normal execution path.} catch (IOException ioe) {// Deal with exception.} // Resources in the try statement are automatically closed afterwards. finally {// A finally clause can be included, and will run after the resources in the try statements are ...
try {// do something} catch (Exception ex) {// maybe do some local handling of the exception throw new Exception (ex. Message ); } A better way of rethrowing exceptions without losing information is to throw the original exception from the catch clause:
In the Java programming language, the try...catch block is used often to catch exceptions. All potentially dangerous code is placed inside the block and, if an ...
To catch as in a trap; to insnare [sic]; used chiefly or wholly in a figurative sense. To catch by artifices; to involve in difficulties or distresses; to entangle; to catch or involve in contraindications; in short, to involve in any difficulties from which an escape is not easy or possible. We are entrapped by the devices of evil men.
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These are not merely catchy sayings. Even though some sources may identify a phrase as a catchphrase, this list is for those that meet the definition given in the lead section of the catchphrase article and are notable for their widespread use within the culture. This list is distinct from the list of political catchphrases.