Labels:text | screenshot | font | number | document | black and white OCR: Class Description java. lang Contains essential Java classes. By default, it's implicitly imported into every Java file, so you don't need to specify import java. lang . * at the beginning of every file. java.io Contains classes used to do input/output. A lot of classes let you stream data in and out to different sources. java.util Contains utility classes, such as hash tables and vectors. java.net Contains classes to use network connections. These can be used in combination with the classes in java . io to read/write information from the network. java. awt Contains classes that let you write platform- independent GUI applications. java.applet Contains classes that let you create Java applets that will run in any Java-compatible browser, Figure 12: The class packages that come with Java.
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