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Conditionals (cont) 

if (expression) {
   some statements;
}

if (expression) {
   some statements1;
} else {
   some statements2;
}

  • some statements executed if, and only if, the evaluation of expression is non-zero
  • some statements1 executed when the evaluation of expression is non-zero
  • some statements2 executed when the evaluation of expression is zero
  • Statements can be single instructions or blocks enclosed in { }