DiskManager.java

package com.cheng.zenofdesignpatterns.perfectworld.command_chain.command_name.os;

/**
 *
 */
public class DiskManager {

    // 默认的计算大小
    public static String df() {
        return "/\t10485760\n/usr\t104857600\n/home\t1048576000\n";
    }

    // 按照kb来计算
    public static String df_k() {
        return "/\t10240\n/usr\t102400\n/home\tt10240000\n";
    }

    // 按照gb计算
    public static String df_g() {
        return "/\t10\n/usr\t100\n/home\tt10000\n";
    }

    public static void main(String[] args) {
        System.out.println(df());
    }

}