Java Java File.listFiles(FileFilter filter)
方法具有以下語法。
public File [] listFiles(FileFilter filter)
在下面的程式碼顯示如何使用File.listFiles(FileFilter filter)
方法。
import java.io.File;
import java.io.FileFilter;
public class Main {
public static void main(String[] args) {
File f = new File("c:/python3");
FileFilter filter = new FileFilter() {
@Override
public boolean accept(File pathname) {
return pathname.isFile();
}
};// At: W W W .Yi I b A I.c o m
// returns pathnames for files and directory
File[] paths = f.listFiles(filter);
for (File path : paths) {
System.out.println(path);
}
}
}
上面的程式碼生成以下結果。
c:\python3\LICENSE.txt
c:\python3\NEWS.txt
c:\python3\python.exe
c:\python3\python3.dll
c:\python3\python35.dll
c:\python3\pythonw.exe
c:\python3\README.txt
c:\python3\vcruntime140.dll