public List append(new Cons (that,this)) that 和 this 都是list,
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public List append(new Cons (that,this)) that 和 this 都是list,会输出什么呢?
我想把两个list合成一个,但是不让用arrylist,所以就写了以上,不知这样写行不行?
如果不行该怎么写呢?
对不起写错了,应该是
public list append(list that){
return (new list (that,this));
我想把两个list合成一个,但是不让用arrylist,所以就写了以上,不知这样写行不行?
如果不行该怎么写呢?
对不起写错了,应该是
public list append(list that){
return (new list (that,this));
用List的addAll(Connection
public List append(new Cons (that,this)) that 和 this 都是list,
public boolean senderEmail(List list,MailMessage message) {
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