java计算磁盘空间的大小

• 关 键 词：
• windows
• java
• 磁盘空间

    java计算磁盘空间的大小，jdk1.6下通过。

import java.io.File;
 
 public class SpaceChecker {
     public static void main(String[] args) {
         File[] roots = File.listRoots();
         for (File _file : roots) {
             System.out.println(_file.getPath());
             //System.out.println(_file.getName());
             System.out.println("Free space = " + _file.getFreeSpace());
             System.out.println("Usable space = " + _file.getUsableSpace());
             System.out.println("Total space = " + _file.getTotalSpace());
             System.out.println();
         }
         
         
         File win = new File("C:\\WINDOWS");
         System.out.println(win.getPath());
         System.out.println(win.getName());
         System.out.println("Free space = " + win.getFreeSpace());
         System.out.println("Usable space = " + win.getUsableSpace());
         System.out.println("Total space = " + win.getTotalSpace());
         System.out.println();
     }
 }
运行结果：

D:\java>java SpaceChecker
A:\
Free space = 0
Usable space = 0
Total space = 0

C:\
Free space = 995975168
Usable space = 995975168
Total space = 4301590528

D:\
Free space = 4041146368
Usable space = 4041146368
Total space = 10756333568

E:\
Free space = 10000908288
Usable space = 10000908288
Total space = 26012024832

F:\
Free space = 0
Usable space = 0
Total space = 0

C:\WINDOWS
WINDOWS
Free space = 995975168
Usable space = 995975168
Total space = 4301590528

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   巧巧读书:http://www.qqread.com/java/2007/04/c306260.html

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