package IO; import java.io.*; public class Demo6 { public static void main(String[] args) { File f = new File("D:\\java\\Demo\\Documents"); File[] fs1 = f.listFiles(); printFile(fs1,1); } static void printFile(File[] fs,int n){ if(fs!=null){ for(File ff:fs){ StringBuffer st = new StringBuffer(); for(int i=1;i<n;i++){ st.append(" "); } st.append(ff.getName()); if(ff.isDirectory()){ st.append("\\"); } System.out.println(st); File[] fs2 = ff.listFiles(); n++; printFile(fs2,n); n--; } } } }
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