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Asked: 2026-05-15T23:10:03+00:00

Instead of using a .bat file, how the code can be built for java

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Instead of using a .bat file, how the code can be built for java program for compiling and executing a list of java programs.

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  1. Editorial Team

    On Runtime.exec

    Though perhaps not the most ideal solution, you an execute a shell command as a separate Process using Runtime.getRuntime().exec(someCommand). There are also overloads that takes parameters as a String[].

    This is not an easy solution. Managing a concurrent Process and preventing a deadlock etc is not trivial.

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    On draining Process streams

    Generally you can’t just waitFor() a Process to terminate; you must also drain its I/O streams to prevent deadlock.

    From the API:

    Because some native platforms only provide limited buffer size for standard input and output streams, failure to promptly write the input stream or read the output stream of the subprocess may cause the subprocess to block, and even deadlock.

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    On the Java 6 Compiler API

    One option to compiling a Java source code within Java is to use the Java 6 Compiler API. This requires a JDK to be installed (not just a JRE).

    See also

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