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View Compilation Error

0_0_31830148_11597\Main.java:52: 错误: 对于TreeSet(int), 找不到合适的构造器
        TreeSet<Integer> set = new TreeSet<Integer>(len);
                               ^
    构造器 TreeSet.TreeSet(NavigableMap<Integer,Object>)不适用
      (参数不匹配; int无法转换为NavigableMap<Integer,Object>)
    构造器 TreeSet.TreeSet(Comparator<? super Integer>)不适用
      (参数不匹配; int无法转换为Comparator<? super Integer>)
    构造器 TreeSet.TreeSet(Collection<? extends Integer>)不适用
      (参数不匹配; int无法转换为Collection<? extends Integer>)
    构造器 TreeSet.TreeSet(SortedSet<Integer>)不适用
      (参数不匹配; int无法转换为SortedSet<Integer>)
注: 某些消息已经过简化; 请使用 -Xdiags:verbose 重新编译以获得完整输出
1 个错误


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