Set - 5

Question 31 :

What is volatile ?

Answer :

A Java keyword used in variable declarations that specifies that the variable is modified asynchronously by concurrently running threads.

Question 32 :

What is Web server ?

Answer :

Software that provides services to access the Internet, an intranet, or an extranet. A Web server hosts Web sites, provides support for HTTP and other protocols, and executes server-side programs (such as CGI scripts or servlets) that perform certain functions.

Question 33 :

What is while ?

Answer :

A Java keyword used to declare a loop that iterates a block of statements. The loop's exit condition is specified as part of the while statement.

Question 34 :

What is world readable files ?

Answer :

Files on a file system that can be viewed (read) by any user. For example: files residing on Web servers can only be viewed by Internet users if their permissions have been set to world readable.

Question 35 :

What is wrapper ?

Answer :

An object that encapsulates and delegates to another object to alter its interface or behavior in some way.