[Java core technology volume I (the ninth edition of the original book)] Chapter 1 collection, the ninth edition of core technology

[Java core technology volume I (the ninth edition of the original book)] Chapter 1 collection, the ninth edition of core technology

This chapter describes how to use the Java class library to help us implement the traditional data structure in programming. Here, we only introduce how to use the collection classes in the standard library.

13.1 collection Interface

This section describes the basic design of the Java Collection framework, describes how to use them, and explains the considerations behind some controversial features.

13.1.1 separate the interfaces and implementations of the Set

About abstract keywords?

13.1.2 set interface and iterator interface in Java class library