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
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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](/uploads/image/z/14021389-37-9.jpg?t=public+List+append%28new+Cons+%28that%2Cthis%29%29+that+%E5%92%8C+this+%E9%83%BD%E6%98%AFlist%2C%E4%BC%9A%E8%BE%93%E5%87%BA%E4%BB%80%E4%B9%88%E5%91%A2%3F%E6%88%91%E6%83%B3%E6%8A%8A%E4%B8%A4%E4%B8%AAlist%E5%90%88%E6%88%90%E4%B8%80%E4%B8%AA%2C%E4%BD%86%E6%98%AF%E4%B8%8D%E8%AE%A9%E7%94%A8arrylist%2C%E6%89%80%E4%BB%A5%E5%B0%B1%E5%86%99%E4%BA%86%E4%BB%A5%E4%B8%8A%2C%E4%B8%8D%E7%9F%A5%E8%BF%99%E6%A0%B7%E5%86%99%E8%A1%8C%E4%B8%8D%E8%A1%8C%3F%E5%A6%82%E6%9E%9C%E4%B8%8D%E8%A1%8C%E8%AF%A5%E6%80%8E%E4%B9%88%E5%86%99%E5%91%A2%3F%E5%AF%B9%E4%B8%8D%E8%B5%B7%E5%86%99%E9%94%99%E4%BA%86%2C%E5%BA%94%E8%AF%A5%E6%98%AFpublic)
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