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javax.tools

Interface Tool

Contents
  • All Known Subinterfaces:
    JavaCompiler

    public interface Tool
    Common interface for tools that can be invoked from a program. A tool is traditionally a command line program such as a compiler. The set of tools available with a platform is defined by the vendor.

    Tools can be located using ServiceLoader.load(Class).

    Since:
    1.6

    • Method Detail

      • run

        int run(InputStream in,
      OutputStream out,
      OutputStream err,
      String... arguments)
        Run the tool with the given I/O channels and arguments. By convention a tool returns 0 for success and nonzero for errors. Any diagnostics generated will be written to either out or err in some unspecified format.
        Parameters:
        in - "standard" input; use System.in if null
        out - "standard" output; use System.out if null
        err - "standard" error; use System.err if null
        arguments - arguments to pass to the tool
        Returns:
        0 for success; nonzero otherwise
        Throws:
        NullPointerException - if the array of arguments contains any null elements.

      • getSourceVersions

        Set<SourceVersion> getSourceVersions()
        Gets the source versions of the Java™ programming language supported by this tool.
        Returns:
        a set of supported source versions
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