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import java.io.*;

分类: 作业答案 • 2022-01-30 12:48:10

问题描述：

import java.io.*;
public class FileFilterTest {
public static void main(String args[]){
File dir=new File("/dongl");
Filter filter=new Filter("htm");
System.out.println("list html files in directory"+dir);
String files[]=dir.list(filter);
for(int i=0;i

答

File(String extent)
改为
Filter (String extent)

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import java.io.*;

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