THE TUTORIAL LIBRARY
Java provides a number of classes and methods that allow you to read and write files. In Java, all files are byte-oriented, and Java provides methods to read and write bytes from a
Read tutorialAlthough using System.out to write to the console is still permissible under Java, its use is recommended mostly for debugging purposes or for sample programs, such as those found
Read tutorialYou are probably attempting to install the Java 2 Runtime Environment, Standard Edition (JRE) or the JDK 1.4.xx version in your Windows server. But alas, a message box with the fol
Read tutorialTo read a string from the keyboard, use the version of readLine() that is a member of the BufferedReader class. Its general form is shown here:
Read tutorialEach time that read() is called, it reads a character from the input stream and returns it as an integer value. It returns –1 when the end of the stream is encountered.
Read tutorialA special type of error that you need to avoid that relates specifically to multitasking is deadlock, which occurs when two threads have a circular dependency on a pair of synchron
Read tutorialTo avoid polling, Java includes an elegant interrocess communication mechanism via the wait(), notify(), and notifyAll() methods. These methods are implemented as final methods in
Read tutorialSynchronization is easy in Java, because all objects have their own implicit monitor associated with them. To enter an object's monitor, just call a method that has been modified w
Read tutorialThread priorities are used by the thread scheduler to decide when each thread should be allowed to run. In theory, higher-priority threads get more CPU time than lower-priority thr
Read tutorialThe main thread must be the last thread to finish. Sometimes this is accomplished by calling sleep() within main(), with a long enough delay to ensure that all child threads termin
Read tutorialThe easiest way to create a thread is to create a class that implements the Runnable interface. The second way to create a thread is to create a new class that extends Thread, and
Read tutorialThe easiest way to create a thread is to create a class that implements the Runnable interface. Runnable abstracts a unit of executable code. You can construct a thread on any obje
Read tutorialOne example today. A better developer tomorrow.