String.format("Temperature of the Sun %,+d K", 5778) ![]() Use the + character to include a positive or negative sign. Absolute zero is (273.15) degrees Celsius Include positive or negative sign String.format("Absolute zero is %(.2f degrees Celsius", -273.15f) Use the ( character to indicate that negative numbers should be enclosed in parenthesis. Let’s have quick look at other number formatting options. The comma is locale-specific so the dot (.) separator would be used in regions that use that character to group numbers. To add a number separator include the comma character after the % placeholder. The Bag costs $12.99 Add Number Separator To format a number to a given number of decimal places specify the number of places after the % placeholder character as shown in the following code snippet. Notice how the number is not formatted as a currency two-decimal number. ![]() In the following example, the formatted String consists of a String and a floating point primitive. More than one placeholder can be replaced at a time. The format() method returns a String containing the message Hello Alex. In the code snippet below the placeholder, %s is replaced by the name Alex. Formatting data will always start with a percent sign ( %) followed by the formatting semantics. It can contain both String literals information that isn’t associated with any arguments and argument-specific formatting data. The “format string” is used to format the values in the argument list. ![]() They both behave exactly the same way and have the same signature. The format() method is a static method of the String.class and the printf() method is a method of the static. There are two methods that provide String formatting behavior: format() and printf(). This article is as much for you as it is an aide memoir for myself. Although it is complete, it is not very user-friendly, so I thought I would try and write a clearer version. The Java Documentation of String formatting is not the easiest to read and understand if you are not familiar with String formatting or just want a quick solution.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |