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  1. Integer barrelNumbers = 1000;
  2. system.debug(' value of barrelNumbers variable: '+barrelNumbers);
Success #stdin #stdout #stderr 0.01s 8944KB
stdin
Standard input is empty
stdout
Object: Integer error: did not understand #barrelNumbers
MessageNotUnderstood(Exception)>>signal (ExcHandling.st:254)
Integer class(Object)>>doesNotUnderstand: #barrelNumbers (SysExcept.st:1448)
UndefinedObject>>executeStatements (prog:1)
stderr
./prog:2: expected expression