Copy image from https://viblo.asia/
For java_intermediate course. https://giangtester.com/khoa-hoc-java-intermediate/
Nội dung bài viết
I. CollectionII. ListIII. SetIV. Map
I. Collection
is a “bag” = unordered listsNo direct implementation
Collection<String> names = new ArrayList<>();
- Add one element
names.add("john");
System.out.println(names); //[john]
-
…
Read more