题解 | #计算某字母出现次数#
计算某字母出现次数
http://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
import java.util.Scanner;
public class Main{
public static void main(String[] arg){ Scanner scan = new Scanner(System.in); //字符串1 String s1= scan.nextLine(); //字母 String s2= scan.nextLine(); //int i =0 ; //用于统计字母出现的次数 int count =0; if(s1.length()>=0&&s1.length()<500){ //保证代码的大小写均能识别 for(int j=0;j<s1.length();j++){ if(s1.charAt(j) == s2.charAt(0) ||s1.charAt(j) == s2.toLowerCase().charAt(0) ||s1.charAt(j) == s2.toUpperCase().charAt(0) ){ count++; } } System.out.println(count); } }
}