From the course: Learning JVM Languages: JVM, Java, Scala

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Java Class Library

Java Class Library

From the course: Learning JVM Languages: JVM, Java, Scala

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Java Class Library

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- [Instructor] Hi, viewers, welcome to the video. Java class library. In the previous video we learned about packages. In this video we'll cover Java Class Library organization, package overview, fundamental classes from the java.lang package, and Collections API. The Java class library is also simply known as the Java API. It's a huge collection of pre-built classes that's distributed with the Java SE platform. Some of the more important things of the library include definitions and implementations of common data structures, console I/O, file I/O, mathematics, networking, regular expressions, XML creation and processing, database access, GUI toolkits, Reflection. We cannot cover the complete Java class library here, but we want to give some examples of the APIs that are available, and give you pointers on where to find the classes you need. All the classes of the library are put in packages. The most important package names start with either java or javax. Vendors have the freedom to…

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