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Siva Nookala - 11 Apr 2016
 Floating Point Literals In Java contains the fractional parts. e.g., `251.73, 3.14, 98766.12, 10E+03, 2.78e-7`. If the Floating Point Literal is suffixed with letter `F` or `f`, then it is of type `float`. So `251.73` is of type `double` where as `251.73f` is of type `float`. Floating Point Literals include `float` and `double` Data types. The default data type of Floating Point Literals is `double`, but you can designate it explicitly by appending the D (or d) suffix. However, the suffix F (or f) is appended to designate the data type of a Floating Point Literal as `float`. We can also specify a Floating Point Literal in scientific notation using exponent (E or e). Below are few samples on how to convert from the exponential format to decimal format. 0.0314E2 = 0.0314 * 10^2 = 0.0314 * 100 = 3.144E+7 = 4 * 10^7 = 4 * 10000000 = 400000005.25e-6 = 5.25 / 10^6 = 5.25 / 1000000 = 0.00000525 `double d1 = 123.4; // represents d1 as double valuedouble d2 = 1.234e2; // same value as d1, but in scientific notationdouble d3 = 123400E-3; // same value as d1, but using negative exponentialfloat f1  = 123.4f; // represents f1 as float valuefloat f2  = 12.34E+01f; // same value as f1, but in scientific notation`
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