為什么會報錯

空指針異常...

180416

2020-11-05

源自：Java入門第三季 6-2

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慕容3527089 回答被采納 +2 積分
2020-11-22

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慕仰1199650
2020-11-10

一樣，我的也報這個錯

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180416 提問者

student對象沒有創建

2020-11-20 回復有任何疑惑可以回復我~

小志沖沖沖回復 180416 提問者

我也是和你一樣的空指針異常你是咋改的我創建了學生類對象呀

2021-04-09 回復有任何疑惑可以回復我~

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