9. Plain Assignment Examples

• Statements that use the same variable on both sides of the equals sign:

  
  count = count + 1;        // count is increased by 1
  count = count – 1;        // count is decreased by 1
  total = total + 100.0;    // total is increased by 100.0
  total = total – 100.0;    // total is decreased by 100.0
  price = price * .8;       // price is multiplied by .8
  sum = sum + nextNumber;   // sum is increased by value
                            // of nextNumber