charAt(0); System.out.println(result); Try it Yourself » Definition and UsageThe charAt() method returns the character at the specified index in a string.The index of the first character is 0, the second character is 1, and so on....
letletter = text.charAt(text.length-1); Try it Yourself » More examples below. Description ThecharAt()method returns the character at a specified index (position) in a string. The index of the first character is 0, the second 1, ... ...
Let's take a look at an example of how to use the charAt() method in JavaScript. For example: vartotn_string='TechOnTheNet';console.log(totn_string.charAt(0));console.log(totn_string.charAt(1));console.log(totn_string.charAt(2));console.log(totn_string.charAt(3)); ...
所有主流浏览器都支持 charAt 方法。 示例 JavaScript String charAt() Method var str = new String( "This is string" ); document.writeln("str.charAt(0) is:" + str.charAt(0)); document.writeln("str.charAt(1) is:" + str.charAt(1)); document.writeln("str.charAt(2) is:" + st...
Java String charAt() method with example Java String charAt() 方法返回指定索引处的字符。索引值应介于 0 和 length()-1 之间。签名: publiccharcharAt(intindex) 参数: index-Indexofthe character to be returned. 返回: returns character at the specified position. ...
Java documentation forjava.lang.String.charAt(int). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
This method returns a char at the specified index. Example publicclassTest{publicstaticvoidmain(Stringargs[]){Strings="Strings are immutable";charresult=s.charAt(8);System.out.println(result);}} This will produce the following result − ...
String.CharAt(Int32) Method ทําการทดสอบ 21 พฤษภาคม – 21 มิถุนายน 2024 ลงทะเบียนตอนนี้ ปิดการแจ้งเตือน...
JavaScript String charCodeAt() Method const str = "Tutorials Point"; document.write("String value = ", str); document.write("The character code ", str.charCodeAt(), " is equal to ", str.charAt()); OutputThe above program returns Unicode as 84 for character 'T'.String value...
index = str.indexOf(str.charAt(0), fromindex); } } return once; } 贴一段文字。fromhttp://stackoverflow.com/questions/5943726/string-charatx-or-stringx There are two ways to access an individual character in a string. The first is thecharAtmethod: ...