Set double click to run the jar file

windows Double click on the settings below to run jar file

Everybody knows , The project is packaged jar The file should be able to run directly , Although we can also use instructions

java -jar xxx.jar

function , But it's always troublesome , Wouldn't it be convenient to double-click and open it directly , Now let's take a look at how to operate

First ensure local java The development environment of is configured successfully ,cmd Execution instruction

java -version

If the version number is displayed correctly, the configuration is correct , Unconfigured friends please Reference here

Next, we find an executable jar package , The right choice Open mode by jdk Install under directory java\jdk1.8.0_221\bin\javaw.exe, And check the Always use this program to open

Win + R Key combination input regedit Open the registry editor and find HKEY_CLASSES_ROOT\Applications\javaw.exe\shell\open\command

Right click to modify the value , Add... After the path -jar "%1" %* Be careful - There is a space in front

Modify and return to jar The location of the package , The discovery has changed , Double click to run

Sometimes it may be associated with the file format by default by the decompression program in the computer , At this time, if it does not take effect, you need to cancel the file format Association in the relevant software