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What is a reasonable justification for a team specifically evaluating build TIME (how long a full build/test cycle takes) as a genuinely important practical concern when working with a large SBT-based Scala project, given Scala compilation's historical reputation for being comparatively slower than some other languages' compilation?

Questions in this quiz
  1. What is a reasonable justification for a team specifically evaluating build TIME (how long a full build/test cycle takes) as a genuinely important practical concern when working with a large SBT-based Scala project, given Scala compilation's historical reputation for being comparatively slower than some other languages' compilation?
  2. What is the purpose of the SBT "shell" (the interactive command-line session you enter by running `sbt` with no arguments), and how does it differ from running individual SBT commands one at a time directly from the OS shell?
  3. What is a reasonable justification for SBT's design specifically catering to Scala's particular language characteristics (like supporting cross-building a project against MULTIPLE different Scala versions simultaneously), rather than SBT simply being a generic, language-agnostic build tool repurposed for Scala?
  4. What is the purpose of `build.sbt`, the primary configuration file for an SBT-based project?
  5. What is a reasonable justification for SBT supporting INCREMENTAL compilation (recompiling only the specific source files actually affected by a change, rather than recompiling an entire project from scratch on every build)?
  6. What is the purpose of SBT's `project/build.properties` file, particularly the `sbt.version` setting typically found within it?
  7. What is a reasonable justification for a team building a Scala library (rather than a standalone application) specifically caring about SBT's cross-Scala-version building/publishing capability, even if their OWN internal projects only actually use one single Scala version?
  8. What is the purpose of the `sbt assembly` command (provided by the popular `sbt-assembly` plugin), and what problem does it solve for deploying a Scala application?
  9. What is the purpose of SBT "plugins", and what kind of additional build capability do they typically provide beyond SBT's own core, built-in functionality?
  10. What is SBT (originally "Simple Build Tool," though the name is now typically used just as the acronym)?
  11. What is a reasonable justification for a Scala team specifically valuing SBT's support for defining CUSTOM TASKS (writing actual Scala code to implement a project-specific build step beyond SBT's built-in commands), given that build.sbt files are themselves genuine Scala code?
  12. What is the purpose of SBT's "watch mode" (triggered by prefixing a command with `~`, like `~compile` or `~test`), and what development workflow does it support?
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