---
id: WC-COLLECT-005
name: 集合转数组必须使用toArray(T[] array)
severity: error  # error=阻断, warning=警告
source: J000005
tool: auto  # auto-manual-auto: detected by tool / manual check / AST-grep
category: wc-collection
description: |
  集合转数组必须使用toArray(T[] array)

  对应浩鲸规范 J000005。

check:
  type: ast-grep  # ast-grep / pmd-custom / spotbugs / checkstyle / manual
  pattern: TODO

notes: "toArray() without args loses type safety"