Difference between double and float Java types. The key difference between a float and double in Java is that a double can represent much larger numbers than a float. Both data types represent numbers ...

How use Java printf to format a double’s decimals. To use Java printf to format double and float values with decimal place precision, follow these two rules:. Use %f as the double specifier in the ...

The basic gist of it is that for this special 64-bit floating point value, the Java call Double.parseDouble("2.2250738585072012e-308") will get stuck in an infinite loop.