Expressions

• Examples:

  • sum += x; // same as sum = sum + x
  • r -= n; q++;
  • s = "temp" + 1; // assign "temp1" to s
  • phi = (1 + Math.sqrt(5))/2;
  • valid = (age > 21 && age <= 65);

• An if-expression returns a value:

  • p = ( k < 0 ) ? 1/y : y;

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