取得硬盘剩余空间的Java代码

import java.io.File;

public class DiskSpaceDetail {

	public static void main(String[] args) {

		File diskPartition = new File("C:");

		long totalCapacity = diskPartition.getTotalSpace(); 

		long freePartitionSpace = diskPartition.getFreeSpace(); 
		long usablePatitionSpace = diskPartition.getUsableSpace(); 

		System.out.println("**** Sizes in Mega Bytes ****\n");

		System.out.println("Total C partition size : " + totalCapacity / (1024*1024) + " MB");
		System.out.println("Usable Space : " + usablePatitionSpace / (1024 *1024) + " MB");
		System.out.println("Free Space : " + freePartitionSpace / (1024 *1024) + " MB");

		System.out.println("\n**** Sizes in Giga Bytes ****\n");

		System.out.println("Total C partition size : " + totalCapacity / (1024*1024*1024) + " GB");
		System.out.println("Usable Space : " + usablePatitionSpace / (1024 *1024*1024) + " GB");
		System.out.println("Free Space : " + freePartitionSpace / (1024 *1024*1024) + " GB");
	}
}

输出：

**** Sizes in Mega Bytes ****

Total C partition size : 610376 MB
Usable Space : 107098 MB
Free Space : 107098 MB

**** Sizes in Giga Bytes ****

Total C partition size : 596 GB
Usable Space : 104 GB
Free Space : 104 GB

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