字符串中數(shù)字字符出現(xiàn)的次數(shù),給了我很多靈感
2023-06-10 13:59 作者:未來有詩和遠(yuǎn)方-_- | 我要投稿
package com.neusoft.beihua12;
import java.util.Scanner;
/*
? ? ?判斷字符串中數(shù)字字符出現(xiàn)的次數(shù)
? ? ?" ab3c5de78fg9"
*/
public class TestString {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String s1 = scanner.nextLine();
String s2 = s1.replaceAll("\\d", "");
System.out.println(s2);
System.out.println("數(shù)字出現(xiàn)的次數(shù)" + (s1.length() - s2.length()));
}
}
標(biāo)簽：
