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Java Version in a batch file


Java Version in a batch file

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Java Version in a batch file
Tag : windows , By : msugar
Date : November 24 2020, 05:44 AM


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Batch file calling a Java program, and Java returns value to the batch file


Tag : java , By : user160048
Date : March 29 2020, 07:55 AM
This might help you When you call System.exit(n) the value is the exit code or ERRORLEVEL which the batch script can use.
You can also read the output of the program or the contents of a file written.

Get java version from batch file


Tag : batch-file , By : DicksGarage
Date : March 29 2020, 07:55 AM
help you fix your problem How to get java version and want to get '6' out of java version from batch file. I tried below script, but it didn't work.
for /f tokens^=2-5^ delims^=.-_^" %j in ('java -fullversion 2^>^&1') do @set "jver=%j%k%l%m"
if %jver% LSS 16000 echo not supported version
@echo off
PATH %PATH%;%JAVA_HOME%\bin\
for /f tokens^=2-5^ delims^=.-_^" %%j in ('java -fullversion 2^>^&1') do set "jver=%%j%%k%%l%%m"

java command inside batch file is not getting executed when batch file is called from main method


Tag : java , By : ArdentRogue
Date : March 29 2020, 07:55 AM
it helps some times It is likely log1.txt will be generated in the current working directory of the Java application, which is not necessary the same directory as the .bat file. You mention you're using Eclipse, this sets the working directory by default, unless you've changed it, to the top level of the project directory containing the application entry point (static void main).
eclipse does not automatically refresh the filesystem when external changes are made - try selecting project, and File => Refresh (F5)
public static void main(String args[]) {
    Runtime rt = Runtime.getRuntime();
    try {
        Process pr = rt.exec("D:\\test1.bat", null, new File("D:\\"));
        pr.waitFor();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Batch file to check the minimum required Java version


Tag : development , By : potix2
Date : March 29 2020, 07:55 AM
this will help Here you can see how you can get java version like integer which can numerically compared:
@echo off
:: uncomment the line bellow if the java.exe is not in the %PATH% 
::PATH %PATH%;%JAVA_HOME%\bin\

java -version 1>nul 2>nul || (
   echo no java installed
   exit /b 2
)
for /f tokens^=2-5^ delims^=.-_^" %%j in ('java -fullversion 2^>^&1') do set "jver=%%j%%k%%l%%m"

if %jver% LSS 18000 (
  echo java version is too low 
  echo at least 1.8 is needed
  exit /b 1
)

Batch file command to get TFS advanced get specific version with Latest version


Tag : tfs , By : WuJanJai
Date : March 29 2020, 07:55 AM
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