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Can a JSP page instantiate a serialized bean?
Can a JSP page instantiate a serialized bean? No problem! The useBean action specifies the beanName attribute, which can be used for indicating a serialized bean. For example: A couple of important points to note. Although you would have to name your serialized file "filename.ser", you only indicate... 2013-08-02, 2180👍, 0💬

Difference between Swing and Awt?
Difference between Swing and Awt? AWT are heavy-weight componenets. Swings are light-weight components. Hence swing works faster than AWT. 2013-04-26, 2180👍, 0💬

Which DLL translate XML to SQL in IIS?
Which DLL translate XML to SQL in IIS? Sqlisapi.dll 2013-12-23, 2179👍, 0💬

What is casting?
What is casting? There are two types of casting, casting between primitive numeric types and casting between object references. Casting between numeric types is used to convert larger values, such as double values, to smaller values, such as byte values. Casting between object references is used to ... 2012-12-20, 2179👍, 0💬

Can I have multiple main methods in the same class?
Can I have multiple main methods in the same class? No the program fails to compile. The compiler says that the main method is already defined in the class. 2013-05-08, 2177👍, 0💬

Difference between HashMap and HashTable?
Difference between HashMap and HashTable? The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and permits nulls. (HashMap allows null values as key and value whereas Hashtable doesnt allow). HashMap does not guarantee that the order of the map will remain constant ... 2013-04-25, 2177👍, 0💬

What is Service Locator pattern?
What is Service Locator pattern? The Service Locator pattern locates J2EE (Java 2 Platform, Enterprise Edition) services for clients and thus abstracts the complexity of network operation and J2EE service lookup as EJB (Enterprise JavaBean) Home and JMS (Java Message Service) component factories. Th... 2013-03-14, 2177👍, 0💬

What is a local, member and a class variable?
What is a local, member and a class variable? Variables declared within a method are "local" variables. Variables declared within the class i.e not within any methods are "member" variables (global variables). Variables declared within the class i.e not within any methods and are defined as "static"... 2013-02-06, 2177👍, 0💬

Why do you use Perl?
Why do you use Perl? Perl is a powerful free interpreter. Perl is portable, flexible and easy to learn. 2013-08-21, 2176👍, 0💬

When to Use the Incremental Low Pause Collector?
When to Use the Incremental Low Pause Collector? Use the incremental low pause collector when your application can afford to trade longer and more frequent young generation garbage collection pauses for shorter tenured generation pauses. A typical situation is one in which a larger tenured generatio... 2013-03-28, 2176👍, 0💬

What is the Java API?
What is the Java API? The Java API is a large collection of ready-made software components that provide many useful capabilities, such as graphical user interface (GUI) widgets. 2013-02-20, 2175👍, 0💬

Interview question - Order Process Automation
An ecommerce transaction starts on an instance of SAP Hybris at the frontend (browser-based). The order then flows through a bespoke SQL Server based Data Hub, into MS Dynamics 365 (F&amp;O), where the order orchestrated. The flow also includes several batch jobs between the order placement and ... 2020-10-17, 2171👍, 1💬

💬 2020-10-17 FYIcenter.com: If you have the budget, replace all 3 systems with a single end-to-end, fully automated, eCommerce solution. If you want to keep...

WWhat is the difference between static and non-static variables?
WWhat is the difference between static and non-static variables? A static variable is associated with the class as a whole rather than with specific instances of a class. Non-static variables take on unique values with each object instance. 2013-06-12, 2171👍, 0💬

Are true and false keywords?
Are true and false keywords? The values true and false are not keywords. 2013-01-04, 2171👍, 0💬

Give a simplest way to find out the time a method takes for execution without using any profiling tool?
Give a simplest way to find out the time a method takes for execution without using any profiling tool? Read the system time just before the method is invoked and immediately after method returns. Take the time difference, which will give you the time taken by a method for execution. To put it in co... 2013-05-24, 2170👍, 0💬

What is the difference between an if statement and a switch statement?
What is the difference between an if statement and a switch statement? The if statement is used to select among two alternatives. It uses a boolean expression to decide which alternative should be executed. The switch statement is used to select among multiple alternatives. It uses an int expression... 2013-02-01, 2170👍, 0💬

What is the purpose of a statement block?
What is the purpose of a statement block? A statement block is used to organize a sequence of statements as a single statement group. 2013-01-24, 2170👍, 0💬

What are three ways in which a thread can enter the waiting state?
What are three ways in which a thread can enter the waiting state? A thread can enter the waiting state by invoking its sleep() method, by blocking on I/O, by unsuccessfully attempting to acquire an object's lock, or by invoking an object's wait() method. It can also enter the waiting state by invok... 2013-01-17, 2170👍, 0💬

How are this and super used?
How are this and super used? this is used to refer to the current object instance. super is used to refer to the variables and methods of the superclass of the current object instance. 2013-01-10, 2170👍, 0💬

How are the elements of a GridBagLayout organized?
How are the elements of a GridBagLayout organized? The elements of a GridBagLayout are organized according to a grid. However, the elements are of different sizes and may occupy more than one row or column of the grid. In addition, the rows and columns may have different sizes. 2012-12-07, 2170👍, 0💬

Which one of the following objects is used to create a foreign key between two DataTables?
Which one of the following objects is used to create a foreign key between two DataTables? Which one of the following objects is used to create a foreign key between two DataTables? * DataRelation * DataRelationship * DataConstraint * DataKey DataRelation 2014-07-21, 2169👍, 0💬

Can an application have multiple classes having main method?
Can an application have multiple classes having main method? Yes it is possible. While starting the application we mention the class name to be run. The JVM will look for the Main method only in the class whose name you have mentioned. Hence there is not conflict amongst the multiple classes having ... 2013-05-08, 2168👍, 0💬

What method must be implemented by all threads?
What method must be implemented by all threads? All tasks must implement the run() method, whether they are a subclass of Thread or implement the Runnable interface. 2013-01-29, 2168👍, 0💬

What are the high-level thread states?
What are the high-level thread states? The high-level thread states are ready, running, waiting, and dead. 2012-11-02, 2168👍, 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