Question

If switch case is used, then
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Answer 1

Answer:

find answer to the following link

Answer 2

Answer:

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$\: The \: default \:  case \:  is \: an \: optional \: one \\ \: . Whenever \: the \: value \:  of  \: \: test-expression \\ \: is \: not \: \: matched \: with \: any  \: of  \: the  \: case \: inside \\ \: the  \: switch \: , then \:  the \: default \: will \: be \: \\ \: executed \: . ... Once \: the \:  switch \:  is \: executed \\ \: the \: control \: will \: go \: to \: the \:  statement-x, \\ \: and \: the \: execution \:  of \:  a \: program \: will \: continue. \:$

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