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Dec 31, 2021 · I've read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem. Oct 20, 2017 · From what I have read, a value of data type double has an approximate precision of 15 decimal places. However, when I use a number whose decimal representation repeats, such as. Jun 12, 2011 · A Double in Java is the class version of the double basic type - you can use doubles but, if you want to do something with them that requires them to be an object (such as put them in a. Jul 2, 2009 · A double has a much higher precision due to it's difference in size. If the numbers you are using will commonly exceed the value of a float, then use a double. Several other people have. Apr 22, 2015 · Possible Duplicate: long double vs double I am unable to understand the difference between between long double and double in C and C++. Can anyone help?

39 This question already has answers here: Double vs double in java [duplicate] (7 answers) Difference between decimal, float and double in .NET? (19 answers) 494 A Double is not an Integer, so the cast won't work. Note the difference between the Double class and the double primitive. Also note that a Double is a Number, so it has the method intValue, which. Feb 6, 2014 · I understand that float has a smaller range than double making it less precise, and from what I understand, long double is even more precise (?). So my question is why would you want to. Promise. But, in C++, when calling scanf and printf, the notation used to specify a double is "%lf", and that stands for long float, right? So while a float is less precise than a double, a LONG float.