formatted():相当于String的format()方法,支持文本块字符串中的格式化。 stripIndent stripIndent()从字符串的开头和结尾删除附带的空格,每行都进行相同的缩进。 package com.morris.java17; /** * String新增的API之stripIndent()的使用 */ public class StringStripIndentDemo { public static void main(String[...
importjava.time.LocalDateTime;importjava.time.format.DateTimeFormatter;publicclassDateFormattingExample{publicstaticvoidmain(String[]args){LocalDateTimenow=LocalDateTime.now();DateTimeFormatterformatter=DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");StringformattedDate=now.format(formatter);System.out.println(...
public String formatted(Object... args) この文字列を書式文字列として使用し、指定された引数を書式設定します。 実装要件: このメソッドはString.format(this, args)と同等です。 パラメータ: args - この文字列でフォーマット指定子によって参照される引数。 戻り値: フォーマットされた文字...
TheSystem.out.printf,System.out.format, andformattedmethods can be used to format strings in Java. They work the same. These three methods write a formatted string to the output stream using the specified format string and arguments. If there are more arguments than format specifiers, the extra...
balanceDelta);// -> "Amount gained or lost since last statement: $ (6,217.58)"// Writes a formatted string to System.out.System.out.format("Local time: %tT", Calendar.getInstance());// -> "Local time: 13:34:18"// Writes formatted output to System.err.System.err.printf("Unable...
// Writes formatted output to System.err. System.err.printf("Unable to open file '%1$s': %2$s", fileName, exception.getMessage()); // -> "Unable to open file 'food': No such file or directory" 与C 语言的sprintf(3)类似,可以使用静态方法String#format(String,Object...)String.form...
[Android.Runtime.Register("formatted","([Ljava/lang/Object;)Ljava/lang/String;","", ApiSince=34)]publicstringFormatted(paramsJava.Lang.Object[] args); Parameters args Object[] Returns String Attributes RegisterAttribute Applies to ผลิตภัณฑ์เวอร์ชัน...
import java.text.SimpleDateFormat; import java.util.Date; SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); Date currentDate = new Date(); String formattedDate = sdf.format(currentDate); System.out.println(formattedDate); // 输出结果:2022-09-17 复制代码 在format()方法中,格式字...
String name = "John"; int age = 25; double height = 1.75; String formattedString = String.format("My name is %s, I'm %d years old, and my height is %.2f meters.", name, age, height); System.out.println(formattedString); 复制代码 输出结果为: My name is John, I'm 25 years ...
%tD = Date formatted as “%tm/%td/%ty” %tH = Hour of the day as per 24 hour clock %tR = Time formatted as 24 hour clock Small letters like %ta, %tb, etc. too provide different formatting. You can experiment that to find out more yourself. ...