题解 | #计算某字符出现次数#
计算某字符出现次数
https://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 while (scanner.hasNextLine()) { String input1 = scanner.nextLine().toLowerCase(); String input2 = scanner.nextLine().toLowerCase(); String value = input1.replaceAll(input2, ""); System.out.println(input1.length() - value.length()); } } }