2020年11月4日
Map的merge()用法
1、java8 Map的新用法 Job job = new Job("李四","语文",98); Job job1 = new Job("李四","数学",85); Job job2 = new Job("王五","语文",90); Job job3 = new Job("王五","数学",84); Read More
posted @ 2020-11-04 10:26 活出自己范儿 Views(1402) Comments(0) Diggs(0)