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Can we implement an interface in a JSP?
Can we implement an interface in a JSP? No 2013-08-10, 2695👍, 0💬

What is the Properties class?
What is the Properties class? The properties class is a subclass of Hashtable that can be read from or written to a stream. It also provides the capability to specify a set of default values to be used. 2012-07-05, 2695👍, 0💬

A set of tables are maintained in a Dataset as ...
A set of tables are maintained in a Dataset as ... A set of tables are maintained in a Dataset as * TablesCollection object * DataTableCollection object * DataRowsCollection object * TableRowCollection object TablesCollection object 2014-07-11, 2694👍, 0💬

I im trying to declare a pointer and allocate some space for it
I'm trying to declare a pointer and allocate some space for it, but it's not working. What's wrong with this code? char *p; *p = malloc(10); The pointer you declared is p, not *p. When you're manipulating the pointer itself (for example when you're setting it to make it point somewhere), you just us... 2016-06-10, 2693👍, 0💬

What is an Iterator interface?
What is an Iterator interface? The Iterator interface is used to step through the elements of a Collection. 2012-06-21, 2692👍, 0💬

What is an IO filter?
What is an IO filter? An IO filter is an object that reads from one stream and writes to another, usually altering the data in some way as it is passed from one stream to another. 2012-08-02, 2691👍, 0💬

What happens if you dont initialize an instance variable of any of the primitive types in Java?
What happens if you dont initialize an instance variable of any of the primitive types in Java? Java by default initializes it to the default value for that primitive type. Thus an int will be initialized to 0, a boolean will be initialized to false. 2013-06-27, 2686👍, 0💬

What is design by contract?
What is design by contract? The design by contract specifies the obligations of a method to any other methods that may use its services and also theirs to it. For example, the preconditions specify what the method required to be true when the method is called. Hence making sure that preconditions ar... 2012-08-15, 2686👍, 0💬

What is the Map interface?
What is the Map interface? The Map interface replaces the JDK 1.1 Dictionary class and is used associate keys with values. 2012-07-20, 2686👍, 0💬

What is the Vector class?
What is the Vector class? The Vector class provides the capability to implement a growable array of objects 2012-06-20, 2686👍, 0💬

What is the purpose of the Runtime class?
What is the purpose of the Runtime class? The purpose of the Runtime class is to provide access to the Java runtime system. 2012-07-07, 2684👍, 0💬

When a thread is created and started, what is its initial state?
When a thread is created and started, what is its initial state? A thread is in the ready state after it has been created and started. 2013-06-07, 2682👍, 0💬

How to dereference a reference?
How to dereference a reference? There are a number of ways to dereference a reference. Using two dollar signs to dereference a scalar. $original = $$strref; Using @ sign to dereference an array. @list = @$arrayref; Similar for hashes. 2013-09-13, 2681👍, 0💬

Which class should you use to obtain design information about an object?
Which class should you use to obtain design information about an object? The Class class is used to obtain information about an object's design. 2012-07-23, 2681👍, 0💬

When would `local $_' in a function ruin your day?
When would `local $_' in a function ruin your day? When your caller was in the middle for a while(m//g) loop The /g state on a global variable is not protected by running local on it. That'll teach you to stop using locals. Too bad $_ can't be the target of a my() -- yet. 2013-09-20, 2680👍, 0💬

Can a JSP page process HTML FORM data?
Can a JSP page process HTML FORM data? Yes. However, unlike servlets, you are not required to implement HTTP-protocol specific methods like doGet() or doPost() within your JSP page. You can obtain the data for the FORM input elements via the request implicit object within a scriptlet or expression a... 2013-07-30, 2679👍, 0💬

When is the ArithmeticException throwQuestion: What is the GregorianCalendar class?
When is the ArithmeticException throwQuestion: What is the GregorianCalendar class? The GregorianCalendar provides support for traditional Western calendars. 2012-07-04, 2678👍, 0💬

Where are shared assemblies stored?
Where are shared assemblies stored? Global assembly cache. 2014-12-19, 2677👍, 0💬

What is the difference in using request.getRequestDispatcher() and context.getRequestDispatcher()?
What is the difference in using request.getRequestDispatcher() and context.getRequestDispatcher() ?request.getRequestDispatcher(p ath):In order to create it we need to give the relative path of the resource context.getRequestDispatcher(p ath):In order to create it we need to give the absolute path o... 2013-08-12, 2677👍, 0💬

What method is used to specify a container's layout?
What method is used to specify a container's layout? The setLayout() method is used to specify a container's layout. 2012-09-19, 2677👍, 0💬

What is the package?
What is the package? The package is a Java namespace or part of Java libraries. The Java API is grouped into libraries of related classes and interfaces; these libraries are known as packages. 2013-02-21, 2675👍, 0💬

ArithmeticException?
ArithmeticException? The ArithmeticException is thrown when integer is divided by zero or taking the remainder of a number by zero. It is never thrown in floating-point operations. 2012-09-12, 2674👍, 0💬

What are the drawbacks of inheritance?
What are the drawbacks of inheritance? Since inheritance inherits everything from the super class and interface, it may make the subclass too clustering and sometimes error-prone when dynamic overriding or dynamic overloading in some situation. In addition, the inheritance may make peers hardly unde... 2012-08-29, 2673👍, 0💬

Which non-Unicode letter characters may be used as the first character of an identifier?
Which non-Unicode letter characters may be used as the first character of an identifier? The non-Unicode letter characters $ and _ may appear as the first character of an identifier 2012-12-19, 2672👍, 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