AP® Computer Science A glossary
double
Course: AP® Computer Science A Shows up in: Unit 1: Using Objects and Methods
The primitive type for real numbers, such as 3.75 or -0.5.
Appears in the course and exam description (CED): 1.2.B.11.3.C.2
A double value is a real number. If at least one value in an operation is a double, the result is a double. A double has limited precision, so round-off error can occur.
double average = 87.5;
System.out.println(average / 2);
System.out.println(7 / 2.0);
Output:
43.75
3.5 Learn it properly, with a checkpoint 1.2 Variables and Data Types