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Java I/O - 如何創(chuàng)建文件以表示驅(qū)動(dòng)器

我們想知道如何創(chuàng)建文件以表示驅(qū)動(dòng)器。
import java.io.File;
public class Main {
public static void main(String[] args) {
File file = new File("C:");
long totalSpace = file.getTotalSpace();
System.out.println("Total space on " + file + " = " + totalSpace + "bytes");
// Check the free space in C:
long freeSpace = file.getFreeSpace();
System.out.println("Free space on " + file + " = " + freeSpace + "bytes");
}
}
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