怎样通过循换把从键盘输入的一行带空格的英文单词放入集合中（不用split方法）

Question

    List<String> list = new ArrayList<String>(); 

    Scanner in = new Scanner(System.in);
    System.out.println("shuru :");
    String s;
    while(true){            
        if((s=in.next())!=" "){
            list.add(s);

        }   
        else{
            continue;
        }

        break;                                                  
    }

// Collections.sort(list);
for(String n:list){
System.out.print(n+"\t");
}

Answer 1