CHAPTER

30

Regular Expressions and Other Packages

When Java was originally released, it included a set of eight packages, called the core API. Each subsequent release added to the API. Today, the Java API contains a very large number of packages. Many of the packages support areas of specialization that are beyond the scope of this book. However, several packages warrant an examination here. Four are java.util.regex, java.lang.reflect, java.rmi, and java.text. They support regular expression processing, reflection, Remote Method Invocation (RMI), and text formatting, respectively. The chapter ends by introducing the date and time API in java.time and its subpackages.

The regular expression package lets you perform sophisticated pattern matching ...

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