?? filedirlist.java
字號:
// 運用isDirectory()方法判斷指定文件對象是否是目錄,若是則輸出下一級文件
import java.io.File;
class FileDirList {
public static void main(String args[]) {
String dirname = "\\mycode";
File f1 = new File(dirname);
if (f1.isDirectory()) {
System.out.println("Directory of " + dirname);
System.out.println("Directory List:" +"\n");
String s[] = f1.list();
for (int i=0; i < s.length; i++) {
File f = new File(dirname + "/" + s[i]);
if (f.isDirectory()) {
System.out.println(s[i] + " is a directory");
} else {
System.out.println(s[i] + " is a file");
}
}
} else {
System.out.println(dirname + " is not a directory");
}
}
}
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