[Java知识库]面向对象程序设计——Java语言——第三周作业

import java.util.ArrayList;
import java.util.HashMap;

public class Main {

	public static void main(String[] args) {
		java.util.Scanner in = new java.util.Scanner(System.in);
		ArrayList<String> names = new ArrayList<String>();
		String s = new String("");
		while(true){
			s=in.next();
			if(s.equals("###")) {
				break;
			}
			else {
				names.add(s);
			}
		}
		
		HashMap<String,Integer> mileage_table = new HashMap<String,Integer>();
		int n = names.size();
		for(int i=0;i<n;i++) {
			for(int j=0;j<n;j++) {
				s=names.get(i)+"&"+names.get(j);
				mileage_table.put(s, in.nextInt());
			}
		}
		
		s=in.next()+"&"+in.next();
		in.close();
		System.out.println(mileage_table.get(s));
	}

}