Learn how to leverage a key Java technology used to access relational data from Java programs, in an Oracle environment. Author Donald Bales begins by teaching you the mysteries of establishing database connections, and how to issue SQL quer

this document describes the concurrency api module of java. it was introduced in java 5.0

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go语言，特点是高并发性和高效性。google称其最终会取代java而排名第一-go language, characterized by high concurrency and high efficiency. google said it will eventually replace the java and ranked first