Commit Graph
2 Commits
Author SHA1 Message Date
xx 28fad57350 day10--用instanceof关键字进行类型判断 2026-10-09 10:35:16 +08:00
xx e75cd9ae65 day10--对象的向上向下转型代码实现 2026-10-09 10:24:10 +08:00