题解 | #计算某字符出现次数#

import java.util.Scanner;

/**

• 计算某字符出现次数 */ public class Main {

  public static void main(String[] args) { Scanner input = new Scanner(System.in); char[] charArray = input.nextLine().toLowerCase().toCharArray(); char subChar = input.nextLine().toLowerCase().toCharArray()[0];

  int index = 0;
  int count = 0;
  
  while (true){
      if(index == charArray.length){
          break;
      }
      if (charArray[index++] == subChar){
          count+=1;
      }
  }
  
  System.out.println(count);
  

  } }