Creating a custom Java Runner on C9 IDE

JavaPkg.build

    // Create a custom Cloud9 build system - similar to the Sublime build system
    // For more information see https://docs.c9.io/custom_runners.html
    {
      "cmd": [
        "bash",
        "-c",
        "mkdir -p $(echo $file | sed -r \"s_/src/.*_/_g\")bin; find $(echo $file | sed -r \"s_/src/.*_/_g\")src -name '*.java' -print | xargs javac -sourcepath $(echo $file | sed -r \"s_/src/.*_/_g\")src -d \"$(echo $file | sed -r \"s_/src/.*_/_g\")bin\""
      ],
      "info": "\\033[01;34mBuilding\\033[00m \\033[01;31m$project_name\\033[00m",
      "selector": "source.java",
      "working_dir": "$file_path"
    }

JavaPkg.run

// Create a custom Cloud9 runner - similar to the Sublime build system
// For more information see https://docs.c9.io/custom_runners.html
{
  "cmd": [
    "bash",
    "-c",
    "java -cp $(echo $file | sed -r \"s_/src/.*_/bin_g\") $(echo $file | sed -r \"s_.*/src/__g\" | sed -r \"s_\\.java__g\"  | sed -r \"s_/_._g\")"
  ],
  "info": "\\033[01;34mRunning\\033[00m \\033[01;31m$file_name\\033[00m\n",
  "selector": "source.java",
  "working_dir": "$file_path"
}