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Get the usable space of this partition in Java
The method java.io.File.getUsableSpace() is used to obtain the usable space in the form of bytes for the virtual machine on the partition specified by the required abstract path name. This method requires no parameters and it returns the bytes for the virtual machine on the partition.
A program that demonstrates this is given as follows −
Example
import java.io.File; public class Demo { public static void main(String[] args) { File[] roots = File.listRoots(); try { for(File r : roots) { System.out.println(r); System.out.println("Usable space = " + r.getUsableSpace()); } } catch(Exception e) { e.printStackTrace(); } } }
The output of the above program is as follows −
Output
C:\ Usable space = 317685366784 D:\ Usable space = 83022270464 E:\ Usable space = 23645868032 F:\ Usable space = 0
Note − The output may vary on Online Compilers.
Now let us understand the above program.
The method java.io.File.getUsableSpace() is used to obtain the usable space in the form of bytes. A code snippet that demonstrates this is given as follows −
File[] roots = File.listRoots(); try { for(File r : roots) { System.out.println(r); System.out.println("Usable space = " + r.getUsableSpace()); } } catch(Exception e) { e.printStackTrace(); }
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