System.out.println(formattedString); 1. 示例代码 下面是完整的示例代码: publicclassStringFormatterExample{publicstaticvoidmain(String[]args){Stringtemplate="字符串:%s, 整数:%d, 浮点数:%f";StringformattedString=String.format(template,"Hello",42,3.14);System.out.println(formattedString);}} 1. 2. ...
public static String format(String format, Object... args) { return new Formatter().format(format, args).toString(); } Java String format() method example public class FormatExample{ public static void main(String args[]){ String name="sonoo"; String sf1=String.format("name is %s",nam...
util.Formatter; public class FormatterExample { public static void main(String[] args) { Formatter formatter = new Formatter(System.out); formatter.format("%s: %d", "Java version", 8); formatter.close(); } } 在这个示例中,我们首先创建了一个Formatter对象,将输出目标指定为System.out。然后使用...
AI代码解释 importjava.time.LocalDate;importjava.time.format.DateTimeFormatter;publicclassDateExample{publicstaticvoidmain(String[]args){LocalDatedate=LocalDate.of(2024,1,1);DateTimeFormatteryyyyFormatter=DateTimeFormatter.ofPattern("yyyy");DateTimeFormatterYYYYFormatter=DateTimeFormatter.ofPattern("YYYY");System....
importjava.time.LocalDateTime;importjava.time.format.DateTimeFormatter;publicclassStringToTimestampExample{publicstaticvoidmain(String[]args){StringdateString="2022-01-01 12:00:00";DateTimeFormatterformatter=DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");LocalDateTimedateTime=LocalDateTime.parse(dateString,...
在Java中,所有的字符串格式化功能都由java.util.Formatter类处理的。可以将Formatter看做一个翻译器,它将你的格式化字符串与数据翻译成需要的结果。当你创建一个Formatter对象的时候,需要向其构造器传递一些信息,告诉它最终的结果将向哪里输出: importjava.io.*;importjava.util.*;publicclassTurtle {privateString name...
@Test public void whenDateFormatWithLocales_thenCorrect() { LocalDate date = LocalDate.of(2023, 9, 30); DateTimeFormatter usFormatter = DateTimeFormatter.ofPattern("MM/dd/yyyy", Locale.US); String usFormatted = date.format(usFormatter); assertEquals("09/30/2023", usFormatted); DateTimeFormatter...
String dateInString = "2022-07-18";SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-...
Using Formatter Class Here’s the third method to achieve string formatting. You can simply use Formatter class that takes a StringBuilder instance as a parameter. Here you need toimport java.util.Formatterbefore moving on. Then create the instances like this example suggests: ...
@Test public void whenDateFormatWithLocales_thenCorrect() { LocalDate date = LocalDate.of(2023, 9, 30); DateTimeFormatter usFormatter = DateTimeFormatter.ofPattern("MM/dd/yyyy", Locale.US); String usFormatted = date.format(usFormatter); assertEquals("09/30/2023", usFormatted); DateTimeFormatter...