JAVA_HOME fix for elementary OS 5.1 Hera

gistfile1.txt

JAVA_HOME=$(dirname $( readlink -f $(which java) ))
JAVA_HOME=$(realpath "$JAVA_HOME"/../)
export JAVA_HOME

System Specifications
===========================================================
➜  ~ sudo lshw -short     
H/W path               Device        Class          Description
===============================================================
                                     system         HP ENVY dv6 Notebook PC (C2L47UA#ABA)
/0                                   bus            1819
/0/0                                 memory         16GiB System Memory
/0/0/0                               memory         8GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
/0/0/1                               memory         8GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
/0/c                                 memory         128KiB BIOS
/0/37                                processor      Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz
/0/37/39                             memory         32KiB L1 cache
/0/37/3a                             memory         256KiB L2 cache
/0/37/3b                             memory         3MiB L3 cache
/0/38                                memory         32KiB L1 cache
/0/100                               bridge         3rd Gen Core processor DRAM Controller
/0/100/2                             display        3rd Gen Core processor Graphics Controller
/0/100/14                            bus            7 Series/C210 Series Chipset Family USB xHCI Host Controller
/0/100/14/0            usb3          bus            xHCI Host Controller
/0/100/14/0/1                        communication  SAMSUNG_Android
/0/100/14/0/3          scsi6         storage        USB Mass Storage Device
/0/100/14/0/3/0.0.0    /dev/sda      disk           256GB Storage Device
/0/100/14/0/3/0.0.0/1                volume         513MiB Windows FAT volume
/0/100/14/0/3/0.0.0/2  /dev/sda2     volume         237GiB EXT4 volume
/0/100/14/0/4                        bus            USB 2.0 Hub
/0/100/14/0/4/3                      multimedia     HD Pro Webcam C920
/0/100/14/1            usb4          bus            xHCI Host Controller
/0/100/16                            communication  7 Series/C216 Chipset Family MEI Controller #1
/0/100/1a                            bus            7 Series/C216 Chipset Family USB Enhanced Host Controller #2
/0/100/1a/1            usb1          bus            EHCI Host Controller
/0/100/1a/1/1                        bus            Integrated Rate Matching Hub
/0/100/1a/1/1/1                      generic        Fingerprint scanner
/0/100/1a/1/1/2                      bus            Keyboard Hub
/0/100/1a/1/1/2/1                    input          USB Optical Mouse
/0/100/1a/1/1/2/2                    input          Apple Keyboard
/0/100/1a/1/1/3                      multimedia     HP Truevision HD
/0/100/1b                            multimedia     7 Series/C216 Chipset Family High Definition Audio Controller
/0/100/1c                            bridge         7 Series/C216 Chipset Family PCI Express Root Port 1
/0/100/1c.2                          bridge         7 Series/C210 Series Chipset Family PCI Express Root Port 3
/0/100/1c.2/0                        generic        RTS5229 PCI Express Card Reader
/0/100/1c.3                          bridge         7 Series/C216 Chipset Family PCI Express Root Port 4
/0/100/1c.3/0          wlo1          network        QCA9565 / AR9565 Wireless Network Adapter
/0/100/1c.5                          bridge         7 Series/C210 Series Chipset Family PCI Express Root Port 6
/0/100/1c.5/0          eno1          network        RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
/0/100/1d                            bus            7 Series/C216 Chipset Family USB Enhanced Host Controller #1
/0/100/1d/1            usb2          bus            EHCI Host Controller
/0/100/1d/1/1                        bus            Integrated Rate Matching Hub
/0/100/1d/1/1/6                      communication  Bluetooth wireless interface
/0/100/1f                            bridge         HM77 Express Chipset LPC Controller
/0/100/1f.2                          storage        82801 Mobile SATA Controller [RAID mode]
/0/100/1f.3                          bus            7 Series/C216 Chipset Family SMBus Controller
/0/1                   scsi4         storage        
/0/1/0.0.0             /dev/cdrom    disk           DVD-RAM UJ8D1
/1                                   power          MO06062
/2                                   power          OEM_Define5
/3                     vethb0565f13  network        Ethernet interface
/4                     flannel.1     network        Ethernet interface
/5                     cni0          network        Ethernet interface
/6                     docker0       network        Ethernet interface