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Lesson A3 - Primitive Data Types
 
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H. Assignment Operators page 10 of 14

  1. The statement number = number + 5; is an example of an accumulation statement. The old value of number is incremented by 5 and the new value is stored in number.

  2. The above statement can be replaced as follows:

    number += 5;

  3. Java provides the following assignment operators:

    +=   -=   *=   /=   %=

    These statements are preferable to saying number = number + 5 because they are more convenient and easier to read. You can immediately tell at a glance exactly what is being done.

  4. The following examples are equivalent statements:

    rate *= 1.05; rate = rate * 1.05;
    sum += 25; sum = sum + 25;
    number %= 5; number = number % 5;
  5. The precedence of the assignment operators is the lowest of all operators.

 

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