default case must be present
default case, if used, should be the last case
default case, if used, can be placed anywhere
none of the above
can always be replaced by a nested it-then-else clause
enhances logical clarity
can't always be replaced by a nested if -then-else clause
Both can always be replaced by a nested it-then-else clause and enhances logical clarity
goto
return
exit
any of the above features
prints nothing
results in a syntax error
prints four 0
a>b
a<b
a==b
none of above