What restrictions are placed on the location of a package statement within a source code file?
When a thread blocks on i/o?
What is the difference between system.out ,system.err and system.in?
Howmany interfaces are used in RMI?
can i call multipule form beans in Action class?
Describe responsibilities of Activator?
Which characters may be used as the second character of an identifier, but not as the first character of an identifier?
diff between jsp include directive and jsp action include?
what is singleton class? where it mainly used in the projects?
whats is mean by jndi
What is Introspection?
What is the RMI and Socket?
Which javutil classes and interfaces support event handling?