How do you write a Java Lang class?

lang. Class object that describes the type of the object . All instances of the same class share the same Class object and you can obtain the Class object by calling the getClass() method of the object . This method is inherited from java. lang.

Example 1

lang. System class in Java. Among the facilities provided by the System class are standard input, standard output, and error output streams; access to externally defined properties and environment variables; a means of loading files and libraries; and a utility method for quickly copying a portion of an array.

lang. Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context. Contains all of the classes for creating user interfaces and for painting graphics and images.