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What is the difference between an ARRAY and a LIST?
What is the difference between an ARRAY and a LIST? Answer1 Array is collection of homogeneous elements. List is collection of heterogeneous elements. For Array memory allocated is static and continuous. For List memory allocated is dynamic and Random. Array: User need not have to keep in track of n... 2012-02-02, 3004👍, 0💬

Anything wrong with this code? ......
Anything wrong with this code? T *p = new T[10]; delete p; Everything is correct, Only the first element of the array will be deleted”, The entire array will be deleted, but only the first element destructor will be called. 2012-03-02, 3003👍, 0💬

Where is plssql cache stored in Oracle Applications ?
Where is plssql cache stored in Oracle Applications ? Usually two type of cache session and plssql stored under $IAS_ORACLE_HOME/Apache/modpls ql/cache 2011-12-13, 3003👍, 0💬

What is a cursor for loop?
What is a cursor for loop? A cursor FOR loop is a loop that is associated with (actually defined by) an explicit cursor or a SELECT statement incorporated directly within the loop boundary. Use the cursor FOR loop whenever (and only if) you need to fetch and process each and every record from a curs... 2011-11-03, 3003👍, 0💬

What is used to validate complex string patterns like an e-mail address?
What is used to validate complex string patterns like an e-mail address? What is used to validate complex string patterns like an e-mail address? * Extended expressions * Regular expressions * Irregular expressions * Basic expressions Regular Expression. 2014-08-14, 3001👍, 0💬

What is the difference between char a[] = “string”; and char *p = “string”;?
What is the difference between char a[] = “string”; and char *p = “string”;? In the first case 6 bytes are allocated to the variable a which is fixed, where as in the second case if *p is assigned to some other value the allocate memory can change. 2012-03-07, 2998👍, 0💬

What is the immediate superclass of the Applet class?
What is the immediate superclass of the Applet class? Panel 2012-10-03, 2997👍, 0💬

What is a class? C++
What is a class? C++ Class is a user-defined data type in C++. It can be created to solve a particular kind of problem. After creation the user need not know the specifics of the working of a class. 2012-02-20, 2995👍, 0💬

What is Boyce Codd Normal form?
What is Boyce Codd Normal form? A relation schema R is in BCNF with respect to a set F of functional dependencies if for all functional dependencies in F+ of the form a-&gt; , where a and b is a subset of R, at least one of the following holds: * a- &gt; b is a trivial functional dependency ... 2012-02-15, 2993👍, 0💬

What is a OUTER JOIN?
What is a OUTER JOIN? An OUTER JOIN returns all rows that satisfy the join condition and also returns some or all of those rows from one table for which no rows from the other satisfy the join condition. 2011-12-05, 2991👍, 0💬

Tell how to check whether a linked list is circular C++
Tell how to check whether a linked list is circular C++ Create two pointers, each set to the start of the list. Update each as follows: while (pointer1) { pointer1 = pointer1-&gt;next; pointer2 = pointer2-&gt;next; if (pointer2) pointer2=pointer2-&gt;next ;if (pointer1 == pointer2) { pri... 2012-01-31, 2990👍, 0💬

What is an Iterator class? C++
What is an Iterator class? C++ A class that is used to traverse through the objects maintained by a container class. There are five categories of iterators: input iterators, output iterators, forward iterators, bidirectional iterators, random access. An iterator is an entity that gives access to the... 2012-01-05, 2990👍, 0💬

What is the purpose of the wait(), notify(), and notifyAll() methods?
What is the purpose of the wait(), notify(), and notifyAll() methods? The wait(),notify(), and notifyAll() methods are used to provide an efficient way for threads to communicate each other. 2012-06-14, 2989👍, 0💬

What is abstraction? C++
What is abstraction? C++ Abstraction is of the process of hiding unwanted details from the user. 2012-02-22, 2989👍, 0💬

Which containers use a border layout as their default layout?
Which containers use a border layout as their default layout? The Window, Frame and Dialog classes use a border layout as their default layout. 2012-05-30, 2987👍, 0💬

Are the imports checked for validity at compile time? e.g. will the code containing an import such as java.lang.ABCD compile?
Are the imports checked for validity at compile time? e.g. will the code containing an import such as java.lang.ABCD compile? Yes the imports are checked for the semantic validity at compile time. The code containing above line of import will not compile. It will throw an error saying,can not resolv... 2013-05-13, 2985👍, 0💬

What is the purpose of the enableEvents() method?
What is the purpose of the enableEvents() method? The enableEvents() method is used to enable an event for a particular object. Normally, an event is enabled when a listener is added to an object for a particular event. The enableEvents() method is used by objects that handle events by overriding th... 2012-08-03, 2985👍, 0💬

How you put Applications 11i in Maintenance mode ?
How you put Applications 11i in Maintenance mode ? Use adadmin to change Maintenance mode is Oracle application. With AD.I you need to enable maintenance mode in order to apply application patch via adpatch utility. If you don't want to put application in maintenance mode you can use adpatch options... 2011-10-27, 2983👍, 0💬

Differentiate between the message and method. C++
Differentiate between the message and method. C++ Message: * Objects communicate by sending messages to each other. * A message is sent to invoke a method. Method * Provides response to a message. * It is an implementation of an operation. 2012-01-09, 2979👍, 0💬

Could you tell something about the Unix System Kernel?
Could you tell something about the Unix System Kernel? The kernel is the heart of the UNIX openrating system, it’s reponsible for controlling the computer’s resouces and scheduling user jobs so that each one gets its fair share of resources. 2012-04-04, 2972👍, 0💬

When should you use multiple inheritance?
When should you use multiple inheritance? There are three acceptable answers: "Never," "Rarely," and "When the problem domain cannot be accurately modeled any other way." 2012-03-19, 2972👍, 0💬

What is the difference between an object and a class?
What is the difference between an object and a class? Classes and objects are separate but related concepts. Every object belongs to a class and every class contains one or more related objects. - A Class is static. All of the attributes of a class are fixed before, during, and after the execution o... 2012-02-17, 2972👍, 0💬

What are things you do to reduce patch timing ?
What are things you do to reduce patch timing ? You can take advantage of following - # Merging patches via admrgpch # Use various adpatch options like nocompiledb or nocompilejsp # Use defaults file # Staged APPL_TOP during upgrades # Increase batch size (Might result into negative ) 2011-10-26, 2972👍, 0💬

Is delete a keyword in Java?
Is delete a keyword in Java? No, delete is not a keyword in Java. Java does not make use of explicit destructors the way C++ does. 2013-06-26, 2971👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML