Apex Intermediate Progress | ( Lessons)

Lesson: 009 | Decimal

Notes
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Notes

A number that includes a decimal point. Decimal is an arbitrary precision number. Currency fields are automatically assigned the type Decimal.

If you don’t explicitly set the number of decimal places for a Decimal, the item from which the Decimal is created determines the Decimal’s scale. Scale is a count of decimal places. Use the setScale method to set a Decimal’s scale.

If the Decimal is created as part of a query, the scale is based on the scale of the field returned from the query.
If the Decimal is created from a String, the scale is the number of characters after the decimal point of the String.
If the Decimal is created from a non-decimal number, the number is first converted to a String. Scale is then set using the number of characters after the decimal point.

Here's a brief example:

Decimal myDecimal = 3.12;

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Lesson: 009 | Decimal

Notes

Apex Intermediate