题解 | #统计字符串中字母出现次数#
统计字符串中字母出现次数
http://www.nowcoder.com/practice/83350872bdb5406fa706895d5efb1c55
import java.util.Scanner;
import java.lang.String;
public class Main {
public static void main(String[] args) {
String string = "H e l l o ! n o w c o d e r";
Scanner scanner= new Scanner(System.in);
String word = scanner.next();
scanner.close();
System.out.println(check(string, word));
}
public static int check(String str, String word) {
//write your code here......
String newStr=str.replace(word,"xx"); //替换
return newStr.length()-str.length();//用替换的长度-原长度
}
}
