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nullvalue

朱晔

修改代码包名，修改readme

Jul 18, 2023

17dd696 · Jul 18, 2023

Name		Name	Last commit message	Last commit date
parent directory ..
avoidnullpointerexception		avoidnullpointerexception	修改代码包名，修改readme	Jul 18, 2023
dbnull		dbnull	修改代码包名，修改readme	Jul 18, 2023
pojonull		pojonull	修改代码包名，修改readme	Jul 18, 2023
readme.md		readme.md	修改代码包名，修改readme	Jul 18, 2023

readme.md

空值处理：分不清楚的null和恼人的空指针

修复和定位恼人的空指针问题：avoidnullpointerexception
POJO中属性的null到底代表了什么？：pojonull
小心数据库NULL字段的三个坑：dbnull