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What is synchronization and why is it important? 2008-04-18 05:57:28 With respect to multithreading, synchronization
is the capability to control the access of multiple threads to shared resources. Without synchronization, it is possible for one thread to modify a shared object while another thread is in the process of using or updating that object's value. This often leads to significant errors.
How are Observer and Observable used? 2008-04-18 05:57:08 Objects that subclass the Observable class maintain a list of observers. When an Observable object is updated it invokes the update() method of each of its observers to notify the observers that it has changed state. The Observer
interface is implemented by objects that observe Observable objects.
Why do threads block on I/O? 2008-04-18 05:56:46 Threads block
on i/o (that is enters the waiting state) so that other threads may execute while the i/o Operation is performed.
No title 2008-04-07 23:10:51 "Java" generally refers to a combination of three things: the Java programming language (a high-level, object-oriented programming language); the Java Virtual Machine (a high-performance virtual machine that executes bytecodes on a specific computing platform, typically abbreviated JVM); and the Java platform, a JVM running compiled Java bytecodes, usually calling on a set of standard libraries such as those provided by Java Standard Edition (SE) or Enterprise Edition (EE). Though coupled by design, the language does not imply the JVM, and vice versa.
What are the Collections API? 2008-05-10 04:32:19 The Collections API is a set of classes and interfaces that support operations on collections of objects.
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