51Nod-3285 字元替換

題目描述:

AC代碼

import java.io.IOException;
import java.util.Scanner;

public class code14 {
    public static void main(String[] args) throws IOException {

        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        char c = sc.next().charAt(0);
        char d = sc.next().charAt(0);
        String replace = s.replace(c,d);
        System.out.println(replace);
    }
}