题解 | #坐标移动#

Scanner in = new Scanner(System.in); String str = in.nextLine(); String []str1 = str.split(";"); int x=0; int y=0;

    for(int i=0;i<str1.length;i++) {
        boolean isnum=true;
        if(str1[i].length()==0){
            continue;
        }
        String flag = str1[i].substring(0, 1);

        String temp = str1[i].substring(1,str1[i].length());
        if(temp.length()==0){
            continue;
        }
        //System.out.println(temp.length());
        for(int j=0;j<temp.length();j++){
            if(!Character.isDigit(temp.charAt(j))){
                isnum = false;
                break;
            }
        }

        int num=0;
        if(isnum){
            num = Integer.parseInt(temp);
        }else{
            continue;
        }



        switch (flag) {
            //A向左。D向右，S乡下，W向上
            case "A": x=x-num;
                break;
            case "D": x=x+num;
                break;
            case "W": y=y+num;
                break;
            case "S": y=y-num;
                break;

            default:
                break;
        }
    }
    System.out.println(x+","+y);