String s = "Hello"; char last = s.charAt(s.length() - 1); System.out.println(last); // Outputs 'o' Copy This code gets the length of the string s using the length() method and then uses it to get the last character of the string using the charAt() method. It is important...
defget_last_index_of(string,char):""" 获取字符最后一次出现的位置 :param string: 要查找的字符串 :param char: 要查找的字符 :return: 字符最后一次出现的位置 """returnstring.rfind(char) 1. 2. 3. 4. 5. 6. 7. 8. 在这个函数中,我们直接返回string.rfind(char)的结果,即字符最后一次出现的位...
my_string = "Hello" for char in reversed(my_string): print(char) 3.与时间相关的操作,例如获取当前时间的最后一天: import datetime current_date = datetime.date.today() last_day_of_month = datetime.date(current_date.year, current_date.month, 1) - datetime.timedelta(1) print(last_day_of_...
exampleString.charAt(exampleString.length() - 1) is where we get the character located at the last position of exampleString.public class LastCharString { public static void main(String[] args) { String exampleString = "This is a String"; char lastChar = exampleString.charAt(exampleString....
Write a Ruby program to get a substring from a specified position to the last char of a given string. Ruby Code: defcheck_string(str,n)str=str[n...-1]returnstrendprint check_string("JavaScript",5)print"\n",check_string("Python",3)print"\n",check_string("Ruby",2)print"\n",check...
Your goal is to create a function that removes the first and last characters of a string. You’re given one parameter, the original string. You don’t have to worry with strings with less than two characters. Solution : def remove_char(s): new_s = "" new_list = [] for letter in...
String.LastIndexOf (Char, Int32)报告指定 Unicode 字符在此实例中的最后一个匹配项的索引位置。该搜索从指定字符位置开始。 String.LastIndexOf (String, Int32)报告指定的 String 在此实例内的最后一个匹配项的索引位置。该搜索从指定字符位置开始。
charAt(0); System.out.println("first letter from String: " + sample + " is : " + firstLetter); // Retrieving last character from String char lastLetter = sample.charAt(sample.length() - 1); System.out.println("last letter of String: " + sample + " is : " + lastLetter); /...
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一、String.IndexOfString.IndexOf 方法 (Char, Int32, Int32) 报告指定字符在此实例中的第一个匹配项的索引(从0开始)。搜索从指定字符位置开始,并检查指定数量的字符位置。 String.IndexOf(value, startIndex, count) 参数 value:要查找的 Unicode 字符。 startIndex:搜索起始位置。 count:要检查的字符位置...