import java.io.File;
public class HardList {
public static void main(String [] args){
File[] roots=File.listRoots();
for(int i=0;i< roots.length;i++){
System.out.println(roots[i].getPath());
}
}
}
运行结果:
C:\java>java HardList
C:\
D:\
E:\
F:\