フリー問題

問題文

One build file repeats the same version string in six dependency declarations. The team wants that string written once and reused inside the same file. Which element holds it?

選択肢

1. A profile declared in the profiles section and switched on from the command line argument.
2. A repository declared in the repositories section and searched when a version is missing.
3. A plugin declared in the build section and invoked during the packaging phase.
4. A property declared in the properties section and read back from every declaration.