页面选择下载目录public static void main(String[] args) throws IOException {// TODO Auto-generated m
页面选择下载目录
public static void main(String[] args) throws IOException {// TODO Auto-generated method stubFile[] roots=File.listRoots(); for(int i=0;i< roots.length;i++){ System.out.println(roots[i].getPath()); }}?
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