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syntactic unit > scoping unit > block > nested block > try block

try block
subject			fact

try block	has purpose to contain statements that might throw an exception
	has syntax // a try-catch-finally statement showing the try block in bold try{ statements } catch (exception_type1 identifier1) { statements } catch (exception_type2 identifier2) { statements ... } finally { statements }
	is part of try-catch-finally statement
	is a subtopic of Exception Handling
	is a kind of nested block
nested block	should be indented carefully
block	contains several statements surrounded by braces
	has example { a =5; b = computeSomething; }
	has layout example style preferred by Sun: if(condition) { // statements }
	has layout example style preferred by the authors: if(condition) { // statements }
	is used as the body of classes, loops, conditional statements and for exception handling
syntactic unit	has syntax rule bold = mandatory italic = non-terminal normal font = optional