2回答

• 

  qq_慕神1420022

  2022-03-31 05:04:51

  知道了,謝謝老師, 用aa[i].innerHTML

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  0 0
• 

  十月的天

  2016-01-21 07:00:04

  只能解答部分  if后面如果只有一句的话可以省略｛｝ ；  没有else的执行方式就是如果if语句不执行，程序就直接往下走 ； this代表当前对象是语法规定的，equals方法的重写是在dog类里写的（this用在dog里），测试类只是调用方法而已，你在看看测试类里用this了吗。

  1 0

  星小梦

  额,是不是this在Dog类里写啦,就是代表Dog类????跟调用的当前类无关???

  2016-01-21 12:29:15

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