public class StringFormatExample { public static void main(String[] args) { String name = "Alice"; int age = 30; String formattedString = String.format("My name is %s and I am %d years old.", name, age); System.out.println(formattedString); // 输出:My name is Alice and I am 3...
publicclassStringFormatExample{publicstaticvoidmain(String[]args){// 步骤2:定义格式化字符串Stringformat="Hello, %s! You have %d new messages, and your balance is %.2f.";// 步骤3:定义变量Stringname="Alice";// 用户名intmessageCount=5;// 消息数量doublebalance=1234.567;// 账户余额// 步骤3:...
然后使用String.format方法将数据格式化输出为一个饼状图: publicclassPieChartExample{publicstaticvoidmain(String[]args){Data[]data=newData[]{newData("A",30.5),newData("B",20.3),newData("C",49.2)};for(Datad:data){StringformattedString=String.format("%s: %.1f%%",d.label,d.value);System....
2. 使用String.format()方法 String.format()方法可以用于创建格式化字符串: publicclassStringFormatExample{publicstaticvoidmain(String[]args){Stringx="Hello";intlength=x.length();Stringresult=String.format("字符串长度:%d,字符串:%s",length,x);System.out.println(result);}} 1. 2. 3. 4. 5. 6...
Java String format() method example public class FormatExample{ public static void main(String args[]){ String name="sonoo"; String sf1=String.format("name is %s",name); String sf2=String.format("value is %f",32.33434); String sf3=String.format("value is %32.12f",32.33434);//returns ...
It is one of the most sought after ways of string format Java. The String class has a format() method in it which helps in formatting a string. Here’s one example to help you understand: String s = String.format("%s were %d %s", "There", 3, " people"); ...
Java String format numbers The next example formats numeric data. Main.java void main() { System.out.format("%d%n", 12263); System.out.format("%o%n", 12263); System.out.format("%x%n", 12263); System.out.format("%e%n", 0.03452342263); ...
Example @Test public void whenFormat_thenCorrect() { String value = "Baeldung"; String formatted = String.format("Welcome to %s!", value); assertEquals("Welcome to Baeldung!", formatted); boolean boolValue = true; String formattedBool = String.format("Boolean: %b", boolValue); assertEquals...
publicclassExample1 { publicstaticvoidmain(String[] args) { Date today =newDate(); // 格式化后的字符串为月份的英文缩写 String a = String.format(Locale.US,"%tb", today); System.out.println("格式化后的字符串为月份的英文缩写: "+ a); ...
Example @Test public void whenFormat_thenCorrect() { String value = "Baeldung"; String formatted = String.format("Welcome to %s!", value); assertEquals("Welcome to Baeldung!", formatted); boolean boolValue = true; String formattedBool = String.format("Boolean: %b", boolValue); assertEquals...