Convert double to string with 2 decimal places java
Here is a simple example of both a float and double being formatted with Java’s printf May 30, 2016 · I am facing a slight issue when trying to get two decimal places after pasring double to string and trying to format . A double or a float datatype can hold rational numbers. I want to store the String value in non-scientific notation. format("%. HALF_UP). That's why you can't make your second line print 34. round () method to round the result Dec 4, 2012 · Round a double to 2 significant figures after decimal point. 00000"); double computed,computed2 = 00. Next, create the instance of DecimalFormat class as new DecimalFormat ("0. 30. Below code snippet shows you how to use it to convert double to string in java. e. 25, Output 4. 99 -> 1. setText("Value of a: " + String. 59 35. Another way of rounding numbers is to use the Math. Mar 18, 2016 · Jan 26, 2016 at 18:08. Value of a: 5. 14159265; // Round the value to two decimal places and convert it to a string String roundedValue = String. CesarGon. 12 100. May 21, 2024 · This output shows that the double value 9876. 2f", value); // Print the rounded value System. valueOf (double) method. valueOf() to convert the Double value to BigDecimal and than . 4 you may realize that you stored a number that is not exactly 12. valueOf(rounded. Oct 19, 2012 · They have binary places. @usman original question was about converting to String with fixed precision, so there is nothing wrong with it. Here is my code: Double price = 32. 000285 or 285000000. The correct answer is 19. parseDouble () method. java. If you want those 2 decimal digits, you can specify that format explicitly, similar to how you constructed df. Math. format () Method ("%. double tip = (long) (amount * percent + 0. 2f", Double. 38 Below are my scenarios - Jan 21, 2015 · I have the double value 1400. valueOf(percentageValue); However, I just cannot get a value with no decimal places. May 19, 2014 · 1. Java provides various ways to achieve this conversion, and each method has its own advantages and use cases. A quick check is to use the Math. 4959); answered Jan 11, 2009 at 23:13. String class also provide static method format() which you can use to print float to 2 decimal places in java. format(price); Apr 8, 2016 · number = Math. Using String’s format () method. Aug 19, 2019 · If you really need only two decimals to represent a number, I suggest you use an int that gets the value times 100, then perform the simple arithmetics anywhere you need. frankly speaking I didn't tried to learn them I tried to found a solutoion. So, trying to parse 0. trunc specs for details and browser compatibility. Apr 6, 2015 · Multiply the number by 100 and cast it to an integer. So i have one input something like this -9. You convert a double to a string with a special format. Method 1: Using the format () Method of the String class. substring(2); a = (int) d; b = Integer. You can adjust this value as needed. 333333333333333 if the answer comes to that and I need it to print 2. The 2 decimal places are given by the . 454'. . 00") to ensure the number always round to 2 decimal places. 20. 00; Use BigDecimal Instead of a double: String d = "12. (24. 00"); System. The ". Jan 8, 2024 · Remember that BigDecimals are immutable so, like Strings, we need to reset the value. This works similar to System. 3f, 2) BigDecimal value = new BigDecimal(pNumero); value = value. 400,00 String formattedValue = format Dec 27, 2023 · Solution 2: Java provides several ways to convert a double to a String. If you want the result to two decimal places you can do. valueOf(): Jul 8, 2015 · 5. You can do this simply by using class java. 00"; // No need for `new String("12. HALF_UP specifies the rounding method. parseInt(bString); Note that the substring() and parseInt() fails if the number is 10 or bigger though. if 4. And never use a double for an amount of money, no matter how briefly. 15. toString(d); String bString = dString. In this case the number is 2 + 3 + 1 = 6 symbols and we only wanted to print 4, so there are Apr 1, 2009 · The only issue is the last one where . setCenterText("$" + "" + "" +String. 5. For most Java versions, you can use DecimalFormat: - Convert double to String in Java-3. Terrible. You need to change this Sep 6, 2023 · Different Methods to Set Precision in Double Values. 12345 and 10. If you want to display with certain decimal somewhere, you can do that by converting into String. 3,591 24 18. Anything that isn't a kludge? – How I can display or keep double values to 2 decimal points? textContent: 'Total Payable: ' + '€'+finalPrice. 5) / 100. toString(); 7. GERMAN) format . 10 100 -> 100 Feb 27, 2014 · but I would never ever use double for money values anyways, I recommend you to take a look at BigDecimals. double twoDecimalValue = Math. Note: This is generally the preferred way to convert a double (or float) into a BigDecimal, as the value returned is equal to that resulting from constructing a BigDecimal from the result of using Double Mar 21, 2024 · In this approach, %. toString(double) method. I've tried everything and called my MP. Or you could DecimalFormat to one more decimal place and then cut it off in the String after formatting. round () Output: Feb 12, 2019 · However, this does not meet the requirement to parse any given number as a decimal with 2 digits. 123 -> 100. 3 +0. format(d); System. 2. toString(dataCost),"")); can anyone help me improve the above line of code so that it can display to two decimal places? How would you convert an int to a double but still get it to retain two decimal places? My code, which prints a double, but I don't know how to round it. format( price)); // Price: 19. valueOf() The simplest way to convert a double to a String is by using the String. The default round mode of DecimalFormat is RoundingMode. public ArrayList getFixRateDetails (String merchantccy,String paymodetype,String Nov 28, 2012 · System. Here is my work: DecimalFormat df2 = new DecimalFormat("00. We can use DecimalFormat class to convert double to String. pow(10, digits) where digits is the amount of decimal digits to keep. toString (double) will correct for this and print one to two decimal places. println(str); //str is '123. Here is the complete code. 00") to ensure the number is round to 2 decimal places. You'd have to change the rounding mode to do that. valueOf() method. format(number); System. Each approach has its advantages and may Feb 25, 2015 · First we cast double to integer and than we convert integer by adding empty string to string. 0; DecimalFormat decim = new DecimalFormat("#. ROUND_DOWN) Now I want to print it as String but removing the decimal part if it is 0, for example: 1. valueOf () We can also convert String to BigDecimal by using the BigDecimal. valueOf(a); String str = String. import java. Nov 6, 2021 · Double With 2 Decimal Points Using DecimalFormat Class. 23 without rounding it up and then converting it to double without losing this format Feb 4, 2015 · 7. 5. toString () We can use Double class toString method to get the string representation of double in decimal points. Bit of a silly one, but just to clarify I know I can format the output to a string and then format the string in a variety of ways to achieve this but I need the return value to stay as a double as it has multiple uses. Oct 12, 2011 · 1. ##"); Double price2 = Double. They don't have decimal places at all: they have Jun 27, 2024 · There are at least two ways to round a double or float value to two decimal places in Java: Use the Java DecimalFormat class; Use String. parse(num. format(price)); System. You can wrap it in a Number class: protected int val; public TwoDecimal(double val) {. getNumberInstance(Locale. 0/3. 00 Oct 29, 2021 · Possible Duplicate. – I want a function to convert Bigdecimal 10. You can do it like this: double d = 1. Sep 30, 2008 · Formatting: Easily format a double to string with a certain number of decimal places; Parsing: Parse the formatted value back to double; Locale: Format and parse using the default locale; Exponential notation: Start using exponential notation after a certain threshold; Usage is pretty simple: (For the sake of this example I am using a custom Apr 15, 2017 · Your code is flawed somehow. Precede the letter f with a decimal and number to specify precision. String maltRequiredString = df. toString() method or the String. 0 needs to be converted to 0. 59004 to 23. -. Jan 12, 2016 · But the US locale NumberFormat won't give you any digits beyond the decimal point; you will see 2,500 printed. format() method to round a double value to two decimal places: java double value = 3. Conclusion. 98, but your method gives 19. toStringAsFixed(2)); print(num); } More info about how Dart handles double can be found here. – OleGG. Creating a new string which will convert the double value to a string, as per below: String newValue = percentageValue. Here is an example using Double. trunc(number*100)/100. ##"); May 27, 2018 · You can use DecimalFormat to overcome this problem. HALF_EVEN". Java provides the following three ways to display double in 2 decimal places: Using DecimalFormat ("0. So will DecimalFormat. With However, to format double to two decimal places, there are several ways. String number = "1. round () Method. format("%,. Here’s the syntax: Mar 26, 2014 · To find a problem, I changed the tax rate to 1. Round () Method. valueOf(a)); It gives something like: Value of a: 5. Maybe one bad point is that, we create one excess object (empty string), but java compiler is optimizing such construction. We can also get string representation with specified decimal places and rounding of half-up. toPlainString() to convert it into plain decimal string. 00; May 14, 2016 · In Java, I am trying to parse a string of format "0. ##"); What i want to do basically is format double values like . 12 for 10. 46 6. May 2, 2021 · Format double to 2 decimal places. 3794; DecimalFormat df = new DecimalFormat("#. DecimalFormat; Mar 8, 2021 · However here: String. 60 or if i have a String like 14,35 than it should also convert into the right German format. 3. 00")` here BigDecimal decimal = new BigDecimal(d); This works because BigDecimal maintains a "precision," and the BigDecimal(String) constructor sets that from the number of digits to the right of the . format(percent); answered Nov 16, 2014 at 6:27. 9; int a, b; String dString = Double. 30) So, in this section, we are going to discuss the ways to round double and float up to two decimal places along with a proper example and Java programs. but the best is to ONLY use Big Decimal for money values, then you will never have any rounding issues @ converting. How to round double / float value to 2 decimal places. format(34. Oct 22, 2014 · You call NumberFormat#format(double) and save the formatted double as a String, because a double is a primitive value and it has no inherent formatting - NumberFormat numberFormat = new DecimalFormat("#,###. By default, it uses RoundingMode. 1 -> 100. 2f specifies that we want to format the number with two decimal places using floating-point format. HALF_EVEN. 0; This result is not precise but Double. 22841 which is read as a String, what i want to do is to format this number to two decimals like this -9. 33. 2f”: Feb 4, 2022 · Is there a way to format a decimal as following: 100 -> "100" 100. Without changing the real value of a so it shows the approximate number but works with the real number. double scale = Math. println("The rounded value is: " + roundedValue In Java, you can convert a double to a string using the Double. 80. I used 100 because you want to truncate to the second digit, but a more flexible solution would be : number = Math. Below is what I have tried and it works fine on couple of inputs - double number = 20. Mar 29, 2010 · In short, the %. 234966145. Jun 13, 2022 · 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 text string. However, I don't think that would work, because we need to use the JOptionPane. 2f" in the format string indicates that the decimal places should be rounded to 2 decimal places. Product. com Sep 17, 2016 · A double can be formatted to "any" kind of String as you see in your first example, but a double doesn't have a format internally (at least one that you could modify). this. 1 into a table/column field of type double precision number and then SELECT WHERE xx=12. Syntax: System. Oct 24, 2012 · We are asked to use the JOptionPane for input/output. 97. int temp = (int)(res * 100); double result = temp / 100. HALF_EVEN); // here the value is correct (625. – Sep 1, 2016 · I am trying to format a double to exact 2 decimal places if it has fraction, and cut it off otherwise using DecimalFormat So, I'd like to achieve next results: 100. pow(10, digits))/Math. Use the culture name you need to adjust the formatting result. Feb 12, 2024 · To round a double to two decimal places, we first create a BigDecimal object with the original number and then call setScale(2, RoundingMode. toString(); I have tried using the 'valueOf' method on the String object, as per below: String total2 = String. println("Guesses/game = " + ((double) totalguesses / times) / 100); Right now the code will print things like 2. // Get two decimal value of input valueToCheck. May 10, 2022 · Method 1: Using format Method. Aug 3, 2022 · DecimalFormat. To print double to two decimal places, you can utilize the static method format() in String. BigDecimal money = new BigDecimal("1234567"). double finalPrice; that finalPrice is always displayed to 2 decimal points. 24, Output 4. df", number); Parameters: The first parameter accepts d digits to round off the number, the second argument accepts a number that is to be rounded. format () Output: In the above code, we have used the format () method to display the given number to 2 decimal places. round(value * scale) / scale; This is the easiest way to convert double to string in java. And i would want just. 1 -> "100. 00##"); String result = df. 54321 has been successfully converted to a string using the DecimalFormat. text. You might want to change the substring() call to something like: String bString = dString. 1. 0. I take it because the preference goes to the . %. 4. When I try to show it: Text. RoundingMode; public class Product {. 20, Output 4. println(newPrice); return newPrice; Just FYI, if you're working with currency, you'd better not use floating points. This class provides a number of methods for formatting numbers, including a method to format a double with a specified number of decimals. Instead have your division use at least one double value. 2f format. But the result should be a float and not a string. // assuming you want to round to Infinity. then this will be the best solution: Double rounded= new BigDecimal(myDouble). Feb 3, 2013 · Slightly off topic but you should be using BigDecimal for money throughout, not doubles, not double, and that round() technique doesn't actually work, as doubles don't have decimal places, they have binary places. In this section, we will explore various methods to convert a double to a String in Java. Then you convert it back to a double and then you convert it back to a string without specifying any format. 0; Then when you want to display it as a String, format the output so you can choose your decimal places: Dec 16, 2012 · Translates a double into a BigDecimal, using the double's canonical string representation provided by the Double. You want java. 13 for 10. floor(valueToCheck * 100) / 100; Jan 8, 2024 · 6. 2E-4. I'd like to format a number represented by a percentage to 2 decimal places. – Apr 1, 2013 · I am dealing with lot of double values in my application, is there is any easy way to handle the formatting of decimal values in Java? Is there any other better way of doing it than . double d = 123. math. format(d)); Check out the documentation of NumberFormat 's methods to format your double as you see fit. 454d; String str = DecimalFormat. 000; Apr 29, 2015 · For curious mind udaybhaskar. package com. Oct 29, 2021 · 1. Method 1: Using String. Output: String Manipulation truncated number: 123. So now let’s take a look at them one by one. double converted; double temperature; //user inputs temperature to be converted. 23. toString(), I need to know how to ensure that. This cuts off all the decimal spaces except the two you want. 69). Thanks. 10. 2f will round it to the last two decimal digits. format(price)); And I want output to be 32. Syntax: Jan 8, 2024 · We’ll get a String back from these methods but can always convert the result back to a double if needed. DecimalFormat. Mar 4, 2011 · 237. 00") Using String. 2k 8 58 86. Richard Campbell. There are other conversion characters you can use besides f: d: decimal integer; o: octal integer; e: floating-point in scientific notation The reason I'm doing the BigDecimal conversion is sometimes the double value will contain a lot of decimal places (i. First, convert the string into double using Double. The most common way is to use the String. May 27, 2015 · Don't do int division since this always will result in a truncated int. pieChart. toString(): double d = 123. The StringBuffer and StringBuilder classes in Java can be used to perform complex string May 5, 2017 · How to round a number to n decimal places in Java (39 answers) Closed 7 years ago . . getInstance(); nf. 999e-4; NumberFormat nf = NumberFormat. 50 -> 1. 78. Consider the Aug 24, 2013 · For example if you store in a Database the result of 12. The DecimalFormat class can be used to round a double or floating point value to 2 decimal places, as shown below: double price = 19. Even such object's like empty strings are cashed at start of JVM. 2) in decimal representation of a floating-point number (f) from the start of the format specifier (%). Truncating a double to two decimal places in Java can be achieved using various approaches as shown in this article. 9040409535344458"; String result = String. For example in this case to format the double number. double finalPrice = 0. My advice is only ever to create a BigDecimal from a String or from a whole number - never from a double with decimal places. How to find this getText() solution: . Sep 20, 2009 · double d = Double. println(formattedNumber); //output 20. 00"); double val = 1000. 00"). I think this covers all the cases, but you would want to test it a more rigorously than I have here. 2f", yourNumber); Note: In all the above examples, "yourNumber" is the double value that you want to format with a comma. 10 System. Jun 6, 2021 · Method 1: How to round a number to n decimal places using System. ##"); // converting maltRequired form double to string. ##%"); double percent = (mark / tm); String formattedPercent = df. I guess that's wrong. The way Java casts a double to an int is done by removing the part after the decimal Nov 9, 2011 · double a; And I want to show it only with 2 or 3 decimals. pow( 10, places); return Math. setScale(2, RoundingMode. setMinimumFractionDigits(7); System. If you need all the decimal places, but not the trailing zeros then this works best. 400,00 in Java. {. If i run the following code with 2,6, java converts the String always as 26, but i want the 2. string s = string. DOWN for this particular example. Sep 21, 2014 · I am trying to convert a String number to two decimal places in Java. 45 ; String s = Double. 00; or the same thing in one line of code: double result = ((int)(res * 100)) / 100. 456 to 123. 0); prints Mar 19, 2009 · Adding that 0 if the last digit is a ". 3f" , 58. Jul 29, 2014 · I am trying to convert a number to two decimal places using Java. String format2 = new DecimalFormat("#,###. Here, I would personally would apply a division by 100 or, insert a decimal separator into the given String. 50138263; num = double. System. To truncate to two decimal places, we’ll use the format String “%. 25. Then use the following line of code to show your digit. Using round () method of Math class. , and uses it in toString. 2f syntax tells Java to return your variable (val) with 2 decimal places (. Mureinik. ##, which will format the number 123. g. Feb 3, 2016 · Now you may want to display the result in pure decimal format like: 0. getNumberInstance(). In this tutorial, we looked at the different ways in which we can convert a double to a String while removing decimal places. doubleValue Sep 9, 2010 · String formattedNumber = String. I saw lot of posts on satckoverflow but somehow I am getting an exception. 00 no matter what you do, without converting it to a String. Jan 8, 2024 · The easiest way to convert String to BigDecimal in Java is to use BigDecimal (String) constructor: BigDecimal bigDecimal = new BigDecimal ( "123" ); assertEquals( new BigDecimal ( 123 ), bigDecimal); 4. Mar 8, 2015 · Even when you format it using String. Feb 11, 2019 · public static void Celsius() //First method used within Start to convert Celsius to Fahrenheit. RoundingMode; import java. 0 doesn't get removed. Jul 28, 2012 · Just pass your number to this function as a double, it will return you rounding the decimal value up to the nearest value of 5; if 4. The decimal number can be rounded by the inbuilt format () method supported by Java. 12 Edit. 00") and then call the format () method which returns the double value in string with 2 decimal places. You need to use the RoundingMode. 00 9 to 9. 3f part: it first prints the number with 3 decimal places and after if there are symbols left it prints leading spaces (or zeroes/whatever). But if you are able to live with that then this works best. ")[1]; Dec 27, 2023 · In Java, there are a few ways to convert a double to a string with 2 decimals. println(numberFormat. temperature = Double. 00 -> 1. Aug 1, 2016 · I have a BigDecimal number and i consider only 2 decimal places of it so i truncate it using: bd = bd. To round the double to 2 decimal places, you can multiply the double by 100 and then use the Math. This isn't very i18n friendly as in some languages you want a non breaking space between the number and the percent symbol. println(nf. out. trunc(number*Math. Follow the same example you will get the wrong result. println("Price: " + df. I need to format a float to "n"decimal places. " doesn't cover the case of whitespace after the dot. ##" to a float. divide(new BigDecimal("100")); Inserting a defined decimal separator could work like this: Aug 7, 2022 · DecimalFormat class. Format(ci, "{0:0. Otherwise format with two decimal places. 46. This method takes a double as its argument and returns a String representation of the double. Nov 15, 2011 · API says - "DecimalFormat provides rounding modes defined in RoundingMode for formatting. format("%014. package com; import java. This method takes a double as its argument and returns an integer that is rounded to the nearest integer. Here is an example: 1. Below is the example program. The string should always have 2 decimal places. double total = 44; String total2 = total + ""; 2. 7, and multiplied it by 11. 3 to a int is nonsense. parseDouble(decim. 2 as decimal, your code would actually print 123. //Make a new instance df that has 2 decimal places pattern. mkyong. 00" that other incorrect websites show). 75. parseDouble(JOptionPane. Jan 4, 2016 · 2 after decimal denotes, number of decimal places after . If anyone could give me any advice on how to format it in a string (so I could then parse the string into a double), I'd appreciate it. println(result); This is the exception I am getting - Jun 13, 2013 · double compute,computed2; compute=getminutes/60; where getminutes is int and I want to set the equivalent of compute with 2 decimal places. 001 needs to be converted to 10. 00"); String formattedNumber = df. The 2 parameter represents the desired scale (number of decimal places), and RoundingMode. You have to use a decimal radix. BigDecimal; import java. setScale(2, BigDecimal. Jan 19, 2022 · Your question is more about how Dart handles the type double. Whether it is converted to a string or not. BigDecimal. * The simplest way is to use the DecimalFormat class. ##"); This code will create a DecimalFormat object with the format string #. double num = 4. If you want just to output (or get some String) out of this float value you may do this: double val = Double. You can also specify the locale to use when formatting the number. Java Program to Convert Double to String Using StringBuffer and StringBuilder. 12 -> 100. 12; System. Please help to achieve this. DecimalExample. I created a method to check a double for two or less decimal places below: public boolean checkTwoDecimalPlaces(double valueToCheck) {. 23. 2f") Using BigDecimal. 5475; DecimalFormat df = new DecimalFormat("0. The setter setAmount in Product will take care of formatting to 2 decimal places. format; Note that when you use the DecimalFormat class for showing currency, you’ll really want to use the "#. 00”) We can use DecimalFormat("0. Method 2: How to round a number to n decimal places using Math. if you want to round upto 2 decimal places,then use. Using format () Method of String class. Nov 16, 2014 · DecimalFormat df = new DecimalFormat("##. ##" solution that I use below (as opposed to the "0. 99. format() method takes two arguments. In Java this means using either DecimalFormat to convert to a String, or BigDecimal to convert to a number in decimal radix, round in the decimal radix, then convert that to a String, which is also going to be in decimal radix. The String. 3 simple operations. 00 instead I get 32. 2. 306k 54 323 368. rounding; import java. format(maltRequired); // then set the value of maltRequiredString to the TextView. format( "% 1$ . val = (int)Math. out. Example: Jan 17, 2015 · You use a NumberFormat object such as a DecimalFormat object to convert a String to a number, which is called "parsing" the String or a number to a String, which is called "formatting" the number, and so you will need to decide which it is you would like to do with this method. 2f", number); System. 55. Double to two decimal places java – Using String’s format() method. setScale(pCantidadDecimales, RoundingMode. toString(d); Here is an example using String. currently I do: double doubleValue = 1400. was trying to BigDecimal, but the return value is not correct // the function is call with the values Redondear(625. DecimalFormat rounded = new DecimalFormat("###. If you are messed up in certain locales. 0 to 3. 8 needs to be converted to 78. DecimalFormat is a special case of NumberFormat as its constructor states, I don't think JavaToJSON is a class that will create an instance of Product and convert it to JSON. Below is what I tried. EDIT: look @ Zeeshan ´s answer if you want to convert Double to Big Decimal. applyPattern(pattern); // will be 1400,00 and not 1. I tried using a Formatter, formatter. e. answered Mar 16, 2010 at 11:48. But no function is satisfying both conversion in same time. printf and this method are similar. format() method and formatted to two decimal places. There is such thing as a 'double with two decimal places'. This is a two-step process. format and change it back to decimal or use BigDecimal's setScale method to set precision, you can't get a double value ending with 0 after decimal. I know how to format to two decimal places using the System. Firstly, the format we want to apply, and secondly, the arguments referenced by the format. //if you don't want formatting. Dec 30, 2023 · Here's an example of how to use the String. format but i always get the 2 decimal digits. println(f); gives the output: 0. round(100 * val); @Override. 10" If it is a round number, omit the decimal part. 5f", val); System. printf. 0 and now I want to format this value into 1. 00 how can I format the equivalent with 2 decimal places? Example: compute=45/60 it should be 0. 4 and the Sql select will not return the record; So if you cannot use the decimal datatype (which has internal representation in Jul 15, 2014 · double d = 1. Java double printf example. In this case, we can control n number of decimal places by multiplying and dividing by 10^n: public static double roundAvoid(double value, int places) {. See Math. format(val)); Output is. Best answer, however, if OP had 123. Also the purpose of the tmp variable is not obvious. println(i / 100. BigDecimal; //. BigDecimal. 0. DecimalFormat (“0. 000012) and the when converting the double to a String will produce scientific notation -1. Divide the result by 100. And, then, we just call BigDecimal ‘s toString: String rounded = big. 00. In following example we are using BigDecimal. 0 String pattern = "0. round () method. Add the following line of code on top of your jsp page. For DecimalFormat, the default rounding mode is RoundingMode. 00"; DecimalFormat format = (DecimalFormat)NumberFormat. 00}%", aTruncated); Use the constant 100 for 2 digits truncate; use a 1 followed by as many zeros as digits after the decimal point you would like. Here maxFractionDigits attribute is used to define how many digits you want to show after the decimal point. showInputDialog(null, "Please enter the temperature in Celsius and press 'Ok'", "You selected Celsius to Fahrenheit", Dec 30, 2023 · In-depth explanation: To round a double to 2 decimal places in Java, you can use the Math. 7 to 35. We can use the format () method of the String class to format the decimal number to some specific format. 70 3. Double. I am trying to format a double to 2 decimal places with leading zeros and there's no luck. split("\\. Aug 22, 2018 · I want to convert a String to a BigDecimal. Decimalformat df = new DecimalFormat("#. DecimalFormat df = new DecimalFormat("#. 00"); double newPrice = Double. DecimalFormat; Jan 3, 2024 · To format a double to 2 decimal places, you can use the following code: DecimalFormat df = new DecimalFormat("#. 656565)-> 58,657. floor method. 12556. 1,000. Something like the following might work depending on your use-case: void main() { double num = 2. See full list on java2blog. println (str); Else if you really want to get double with 5 signs of precision after integer part, you may write the following: Oct 20, 2012 · You can printout a decimal encoded as an integer by divising by their factor (as a double) int i = 10; // represents 0. parseDouble(s); int i = (int) d; The reason for the exception is that an integer does not hold rational numbers (= basically fractions). HALF_EVEN, and we can use setRoundingMode(RoundingMode) to set a specified rounding mode. Apr 5, 2016 at 1:43. DecimalFormat df = new DecimalFormat("0. 26, Output 4. mdhpexuzfuryaacvixck