输入一个字符串和字符,显示该字符在字符串中出现的次数

import java.util.Scanner;
public class BookTest6_23 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println(“请输入一个字符串”);
String s = input.nextLine();
System.out.println(“请输入一个字符”);
char ch = input.nextLine().charAt(0);
int count = count(s, ch);
System.out.println(“这个字符出现的次数为” + count + “次”);
}
public static int count(String s, char ch) {
int count = 0;
for (int x = 0; x < s.length(); x++) {
if (s.charAt(x) == ch) {
count++;
}
}
return count;
}
}