题目:写一个函数,求一个字符串的长度,在 main 函数中输入字符串,并输出其长度。
import java.util.Scanner;
public class WangDao {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.print("Input the string: ");
String str = scan.nextLine();
char[] ch = str.toCharArray();
int n = ch.length;
System.out.println("The length of the string is " + n);
}
}