My problem is how can I implement without the Scanner method and with Math.round and Math.pow? Here is my code: My another idea was It is only for a certain value. In my case with a weight of 75.0 and size 178.0 Answer It’s up to developer to choose how to initialize parameters. If don’t want to use scanner the
Tag: double
Trying to sort a Double Collection
I am trying to sort a Collection. I cant seem to get my code to work with what I have found online. Collection: [104.131119, 104.188937, 93.174548, 100.533096, 97.902247, 98.608619, 93.380054, 106….
how do you round up a double user input value in java? [closed]
Im a student whos making a simple grading system and Im struggling on how to do this when I type in a specific number it go down to else bypassing my else-if statements the numbers are 98, 67, 98, 80 …
How come declaring something as a double data type would lead the ide to think it is a integer?
I am very confused on how a declared double data type would lead to the intellij ide to believe I was requiring a int to declare. Can someone give me some insight on this? Here is the code in a picture: enter image description here Answer Double Data type : The double data type is a double-precision 64-bit IEEE 754
How likely is BigDecimal to cause memory issues for a POS program?
I understand that BigDecimal is the most accurate way to express currency because treating currency values as a floating-point data type tends to cause rounding errors. However, I also understand that BigDecimal calculations require more memory. That said, is using BigDecimal instead of float or double really the best practice for programs that deal with currency values? If I make
Generating a random double in an exclusive range
I’m trying to generate a random floating point number between but not including it’s lower and upper bounds (lower, upper). I’ve seen a lot of questions about generating a number from, and including it’s lower bound up to, but not including it’s upper bound [lower, upper), but that’s not what I’m after. I’ve come up with two “solutions” to the
Convert double to float in Java
I am facing an issue related to converting double to float. Actually, I store a float type, 23423424666767, in a database, but when we get data from the database in the below code, getInfoValueNumeric(), it’s of double type. The value we get is in the 2.3423424666767E13 form. So how do we get a float format data like 23423424666767? 2.3423424666767E13 to
is there anyway to convert from Double to BigInteger?
Is there anyway to convert from double value to BigInteger? I try to cast it but it didn’t work. Answer If you want to store the integral part of the double into a BigInteger, then you can convert it into a BigDecimal and then into a BigInteger:
How do I print a double value without scientific notation using Java?
I want to print a double value in Java without exponential form. It shows this E notation: 1.2345678E7. I want it to print it like this: 12345678 What is the best way to prevent this? Answer You could use printf() with %f: This will print dexp: 12345678.000000. If you don’t want the fractional part, use 0 in %.0f means 0
How can I truncate a double to only two decimal places in Java?
For example I have the variable 3.545555555, which I would want to truncate to just 3.54. Answer If you want that for display purposes, use java.text.DecimalFormat: If you need it for calculations, use java.lang.Math: