Java开发问题

Best way to convert list to comma separated string in java(在java中将列表转换为逗号分隔字符串的最佳方法)
Android Parcelable - read/write data to Parcel using generic data type(Android Parcelable - 使用通用数据类型读取/写入数据到 Parcel)
Serialization issue with SortedSet, Arrays, an Serializable(SortedSet、数组、可序列化的序列化问题)
How do I take the union of sets?(我如何接受集合的并集?)
What does quot;optional operationquot; mean in Javadoc of for example Set#add(E)?(“可选操作是什么意思?例如 Set#add(E) 在 Javadoc 中的意思?)
Need for new String[0] in the Set toArray() method(Set toArray() 方法中需要 new String[0])
API for set operations in Java?(Java中用于集合操作的API?)
Order-independent Hash Algorithm(顺序无关的哈希算法)
Is there a Directed Acyclic Graph (DAG) data type in Java, and should I use it?(Java 中是否存在有向无环图 (DAG) 数据类型,我应该使用它吗?)
Is there a data structure like the Java Set in JavaScript?(JavaScript 中是否有类似 Java Set 的数据结构?)
How to sort a HashSet?(如何对 HashSet 进行排序?)
Performance and Memory allocation comparison between List and Set(List 和 Set 的性能和内存分配比较)