![openjdk 7 on mac openjdk 7 on mac](https://wolfpaulus.com/wp-content/uploads/2020/11/java-700x499.jpg)
From this point-on, you will-not/should-not see any-other blocks/locks from macOS for using/running that java. if you're using Java 13, & if you want to use long command-set shown above then run this nano command after that: nano ~/TestJava.sh, & change the line which has version number 14.0, into 13.0, if you want to use a shorter command which is also shown in above, then (also for this) just change the 14.0 into 13.0) (at the time of writing this answer i used openjdk 14.0.1, so above output shows those. OpenJDK 64-Bit Server VM (build 14.0.1+7, mixed mode, sharing) OpenJDK Runtime Environment (build 14.0.1+7)
OPENJDK 7 ON MAC PASSWORD
MacOS will ask you to enter a privileged accnt + Password again, do that, & choose "Open"/"Allow", then you should see output like this: $($(/usr/libexec/java_home -version 14.0)/bin/java -version) If you want to avoid above long command-set, then run below shorter command:
![openjdk 7 on mac openjdk 7 on mac](https://miro.medium.com/max/623/1*E98RFctkIPMOri1t2dtjfQ.png)
copy that newly extracted/decompressed OpenJDK folder "jdk*.jdk", & goto below destination folder & MOVE (to move use the "alt/option" button to change the "paste" mode into "move" mode) the "jdk*.jdk" folder inside below destination location:.
![openjdk 7 on mac openjdk 7 on mac](https://dz2cdn1.dzone.com/storage/article-thumb/11613572-thumb.jpg)
Open your "System-Preferences" > "Security & Privacy" > under "General" tab > goto bottomside section "Allow Apps Downloaded From" > press the "Allow" or "Open anyway" button there to allow the decompression of "openjdk*.tar.gz" archive-file (macOS will ask to enter Password of a privileged Admin type account), then it should decompress, if it does not decompress then again double tap on the "openjdk*.tar.gz" file in Finder, & choose "Open"/"Allow" button if macOS asks you again, then it will finally decompress that "*.tar.gz" file, & extract a folder from it,.double-click on "openjdk*.tar.gz" (to decompress it) in Finder, MacOS may show notice & stop that,.
OPENJDK 7 ON MAC CODE
Then verify/compare downloaded file's authenticity/integrity : you may use hash/digest SHA256 code shown on openjdk site, Use openssl tool in Terminal utility : with such command: openssl sha256 & then drag the openjdk*.tar.gz file from Finder into that openssl command-line in Terminal, press enter to compute hash/digest, then Compare computed SHA256 digest-code with sha256 what is shown on secure webpage, both must match/same,
OPENJDK 7 ON MAC LICENSE
Oracle Java (JDK) (includes JRE) has OpenJDK & closed-source/proprietary components, & it is free only-for Personal usage, a paid License required for any Commercial usage & for any deployment/distribution, & all users also must do a (free) web-registration to download any binary/source. We should note that before this long-running project, there were JDK Release Projects that released one feature and then got discontinued.OpenJDK Java (includes JRE) is open-source, & it is FREE for any Commercial & any deployment/distribution & any Personal usage. And, just like for the Oracle, the JDK Project will also deliver new feature releases every six months. Initially, it was based only on the JDK 7. But, since Java 10, the open-source reference implementation of the Java SE platform is the responsibility of the JDK Project. Certainly, we should emphasize that the OpenJDK is an official reference implementation of a Java Standard Edition since version SE 7.