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...
String output = String.format("%s = %d", "joe", 35); For formatted console output, you can use printf() or the format() method of System.out and System.err PrintStreams. 代码语言:javascript 代码运行次数:0 运行 AI代码解释 System.out.printf("My name is: %s%n", "joe"); Create a...
// 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...
Java String format methods We use the three methods to format a simple message. Main.java void main() { String name = "John Doe"; String occupation = "gardener"; String txt = "%s is a %s"; String msg = txt.formatted(name, occupation); ...
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...
[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...
static String formatter(Object o) { String formatted = "unknown"; if (o instanceof Integer i) { formatted = String.format("int %d", i); } else if (o instanceof Long l) { formatted = String.format("long %d", l); } else if (o instanceof Double d) { formatted = String.format...