String son = scanner.nextLine(); int num = wordCount(string, son); System.out.println(son + "在字符串中出现的次数:" + num); } public static int wordCount(String str, String word) { int count = 0; while (str.contains(word)) { count++; str = str.substring(str.indexOf(word) + ...
Python count()方法:统计字符串出现的次数 count 方法用于检索指定字符串在另一字符串中出现的次数,如果检索的字符串不存在,则返回 0,否则返回出现的次数。 count 方法的语法格式如下: 代码语言:javascript 代码运行次数:0 AI代码解释 str.count(sub[,start[,end]]) 1 此方法中,各参数的具体含义如下: str:表示...
public class WordCount {public static void main (String args[]){String randomText = "The sky is blue it meets the sea which is also blue";String text = "blue";int times = 0;for (int i = 0; i < randomText.length(); i++) {if (randomText.substring(i).startsWith(text)) { ...
substr_count(string,substring,start,length) 参数描述 string 必需。规定要检查的字符串。 substring 必需。规定要检索的字符串。 start 可选。规定在字符串中何处开始搜索。 length 可选。规定搜索的长度。技术细节返回值: 返回子串在字符串中出现的次数。 PHP 版本: 4+ 更新日志: 在PHP 5.1 中,新增了 start...
The substr_count() function in PHP is used to count the number of occurrences of a substring within a string. This function is useful when working with
import java.io.File; import java.io.FileWriter; /** * This class is used to test the performance of the method for getting how *** **/ public class CountSubString { public static void main(String[] args) throws Exception{ CountSubString count = new CountSubString(); ...
# count vowels in a string# declare, assign stringstr="Hello world"# declare countcount=0# iterate and check each characterforiinstr:# check the conditions for vowelsif( i=="A"ori=="a"ori=="E"ori=="e"ori=="I"ori=="i"ori=="O"ori=="o"ori=="U"ori=="u"): ...
Note:Index in Python starts from 0, not 1. count() Return Value count()method returns the number of occurrences of the substring in the given string. Example 1: Count number of occurrences of a given substring # define stringstring ="Python is awesome, isn't it?"substring ="is" ...
Python string.count() functionThe string.count() is an in-built function in Python, it is used to find the occurrences of a substring in a given string. It returns an integer value which is the occurrences of the substring.Syntaxstring.count(substring, [start_index], [end_index]) ...
1//程序主入口2publicstaticvoidmain(String[] args)throwsIOException, ClassNotFoundException, UnsupportedLookAndFeelException, InstantiationException, IllegalAccessException {3//提供给用户菜单4show();5//读取用户输入的操作6BufferedReader reader =newBufferedReader(newInputStreamReader(System.in));7String inpu...