---
id: WC-PERF-003
name: 合理使用字符串连接方式
severity: error  # error=阻断, warning=警告
source: J000120
tool: auto  # auto-manual-auto: detected by tool / manual check / AST-grep
category: wc-performance
description: |
  合理使用字符串连接方式

  对应浩鲸规范 J000120。

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

notes: "StringBuilder vs concatenation"