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Editorial Team
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Asked: 2026-06-04T06:34:42+00:00

In my project, I call java program from the command window. I have a

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In my project, I call java program from the command window. I have a bat file like the following. I throw a RuntimeException in Test class. With “|| exit /b 1”, all the commands after “”%JAVA_HOME%\bin\java” -cp “bin/” Test %RUN_ARGS% || exit /b 1″ will be skipped.

Can anybody tell me what “|| exit /b 1” does? What is the meaning of “||” in the command line?

@echo off
setlocal

set RUN_ARGS=%*

"%JAVA_HOME%\bin\java" -cp "bin/" Test %RUN_ARGS% || exit /b 1

echo %RUN_ARGS%

dir

endlocal
exit /b 0
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1 Answer

  1. Editorial Team

    exit /B exits the batch file without exiting the command window. In other words, it leaves the command window open after your java process exits so you can review any output.
    the | is a pipe operator, it passes the output of the java command as input to the exit command.

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