Tag: decimal

How to remove all non-alphanumeric characters from a string expect decimal point in Java

Having this String with decimal point, I would like to remove all non alphaNumeric expect the decimal point. Currently I get “the. book cost 7.55 dollars.”; However I would like to return “the book cost 7.55 dollars”; Answer You can use: RegEx Demo RegEx Details: (?<!\d): Previous character is not a digit \.: Match a dot (?!\d): Next character is

Casting a string to an integer and then to a double – how to retrieve up to four positions behind the decimal position in a correct way?

decimal integer java spring-boot string

I am currently working on a simple BMI (Body Mass Index) calculator in Java, in a larger Java / Spring Boot application with Mojito Tests. My function uses height and weight as Input values to calculate the BMI. Through the arithmetic operations, the received Input values – Strings, casted to Integers – result in a number that represents the BMI;

how do you round up a double user input value in java? [closed]

decimal double java

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 …

Convert Decimal (Base 10) to Hexadecimal (Base 16) in Java

decimal hex java

My question is about Java. How can I convert Decimal (Base 10) to Hexadecimal (Base 16) in Java with Java 7? When I use in C# the method Convert.FromBase64String(str) with String “BQoPFBke” i get the result: 05-0A-0F-14-19-1E But when I use in Java the method Base64.Decoder.decode(str) with the same String I get the result: [5, 10, 15, 20, 25, 30]

change binary to decimal

binary data-conversion decimal java

I have to write a method that changes binary to decimal. Write a method that will convert the supplied binary digit (as a string) to a decimal number. convertToDecimal(“01101011”) = 107 convertToDecimal(“00001011”) = 11 i have created it to change decimal to binary however im not sure how to create it binary to decimal. Answer

Convert Decimal to Hex using Recursive method Java

decimal hex java recursion

I need to make a recursive method that converts a decimal into hexadecimal. I can’t use Integer.toHexString. EDIT:I tried this code but it doesn’t work properly Edit: Changed the default case and the if (n == 0) loop return statement and it works beautifully now. new code: Answer The problem is in your default clause: it should read: That will

Converting Decimal to Binary Java

binary decimal java

I am trying to convert decimal to binary numbers from the user’s input using Java. I’m getting errors. How do I convert Decimal to Binary in Java? Answer Your binaryForm method is getting caught in an infinite recursion, you need to return if number <= 1: