4.1.2 Floating Point Types

• Floating point data types have been defined to store decimal numbers. Floating point data types are of 2 types. 
• In Float type you can store up to 7 digits after decimals. Double type can be stored up to 17 digits after decimals.

Data Type	Size (bytes)	Range
float	4	3.4E-38	to	3.4E+38
double	8	1.7E-308	to	1.7E+308

Example :-

/* A double type variable */ double balance=810.12354984;