题解 | #参数解析#

参数解析

https://www.nowcoder.com/practice/668603dc307e4ef4bb07bcd0615ea677

import java.util.ArrayList;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        String cmd = scan.nextLine();
        char[] ar = cmd.toCharArray();

        StringBuilder sb = new StringBuilder();
        boolean valSpace = true;
        ArrayList<String> aList = new  ArrayList<String>();

        for (int i = 0; i < ar.length; i++) {
            if (ar[i] == ' ' && valSpace) {
                aList.add(sb.toString());
                sb = new StringBuilder();

            } else if (ar[i] == '"') {
                valSpace = !valSpace;
            } else {
                sb.append(ar[i]);
            }

        }

        aList.add(sb.toString());

        System.out.println(aList.size());

        for (String str : aList) {
            System.out.println(str);
        }

    }

}

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