Java•Java Reference

Java double Keyword

❮ Java Keywords

Example

double myNum = 19.99d;
System.out.println(myNum);

Definition and Usage

The double keyword is a data type that can store fractional numbers from 1.7e−308 to 1.7e+308.

Note that you should end the value with a "d":

Read more about data types in our Java Data Types Tutorial .

❮ Java Keywords

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Java•Java Reference

❮ Java Keywords

Example

double myNum = 19.99d;
System.out.println(myNum);

The double keyword is a data type that can store fractional numbers from 1.7e−308 to 1.7e+308.

Note that you should end the value with a "d":

Read more about data types in our Java Data Types Tutorial .

❮ Java Keywords