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What are wrapper classes?
What are wrapper classes? Wrapper classes are classes that allow primitive types to be accessed as objects. 2012-10-01, 2360👍, 0💬

How do I mix JSP and SSI #include? What is the difference between include directive & jsp:include action?
How do I mix JSP and SSI #include? What is the difference between include directive & jsp:include action? Difference between include directive and 1. provides the benifits of automatic recompliation,smaller class size ,since the code corresponding to the included page is not present in the servl... 2013-08-06, 2359👍, 0💬

What is a layout manager?
What is a layout manager? A layout manager is an object that is used to organize components in a container. 2013-01-16, 2359👍, 0💬

When is an object subject to garbage collection?
When is an object subject to garbage collection? An object is subject to garbage collection when it becomes unreachable to the program in which it is used. 2013-01-29, 2358👍, 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... 2013-01-07, 2358👍, 0💬

Name three Component subclasses that support painting.
Name three Component subclasses that support painting. The Canvas, Frame, Panel, and Applet classes support painting. 2012-10-04, 2358👍, 0💬

When to Use the Concurrent Low Pause Collector?
When to Use the Concurrent Low Pause Collector? Use the concurrent low pause collector if your application would benefit from shorter garbage collector pauses and can afford to share processor resources with the garbage collector when the application is running. Typically applications which have a r... 2013-03-27, 2357👍, 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, 2356👍, 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...

Can you inherit a COM class in a .NET application?
Can you inherit a COM class in a .NET application? The .NET Framework extends the COM model for reusability by adding implementation inheritance. Managed types can derive directly or indirectly from a COM coclass; more specifically, they can derive from the runtime callable wrapper generated by the ... 2014-12-10, 2354👍, 0💬

How can I customize the seralization process? i.e. how can one have a control over the serialization process?
How can I customize the seralization process? i.e. how can one have a control over the serialization process? Yes it is possible to have control over serialization process. The class should implement Externalizable interface. This interface contains two methods namely readExternal and writeExternal.... 2013-05-21, 2354👍, 0💬

In the Servlet 2.4 specification SingleThreadModel has been deprecated, why?
In the Servlet 2.4 specification SingleThreadModel has been deprecated, why? Because it is not practical to have such model. Whether you set isThreadSafe to true or false, you should take care of concurrent client requests to the JSP page by synchronizing access to any shared objects defined at the ... 2013-07-16, 2352👍, 0💬

What is the GregorianCalendar class?
What is the GregorianCalendar class? The GregorianCalendar provides support for traditional Western calendars. 2012-10-19, 2352👍, 0💬

How to Retrieve Warnings?
How to Retrieve Warnings? SQLWarning objects are a subclass of SQLException that deal with database access warnings. Warnings do not stop the execution of an application, as exceptions do; they simply alert the user that something did not happen as planned. A warning can be reported on a Connection ... 2013-07-15, 2351👍, 0💬

What is the difference between yielding and sleeping?
What is the difference between yielding and sleeping? When a task invokes its yield() method, it returns to the ready state. When a task invokes its sleep() method, it returns to the waiting state. 2012-09-28, 2350👍, 0💬

Is there a way I can set the inactivity lease period on a per-session basis?
Is there a way I can set the inactivity lease period on a per-session basis? Typically, a default inactivity lease period for all sessions is set within your JSPengine admin screen or associated properties file. However, if your JSP engine supports the Servlet 2.1 API, you can manage the inactivity ... 2013-07-31, 2348👍, 0💬

What are some alternatives to inheritance?
What are some alternatives to inheritance? Delegation is an alternative to inheritance. Delegation means that you include an instance of another class as an instance variable, and forward messages to the instance. It is often safer than inheritance because it forces you to think about each message y... 2013-06-19, 2348👍, 0💬

Does garbage collection guarantee that a program will not run out of memory?
Does garbage collection guarantee that a program will not run out of memory? Garbage collection does not guarantee that a program will not run out of memory. It is possible for programs to use up memory resources faster than they are garbage collected. It is also possible for programs to create obje... 2012-10-02, 2348👍, 0💬

Does a class inherit the constructors of its superclass?
Does a class inherit the constructors of its superclass? A class does not inherit constructors from any of its super classes. 2012-11-26, 2347👍, 0💬

What happens if an exception is not caught?
What happens if an exception is not caught? An uncaught exception results in the uncaughtException() method of the thread's ThreadGroup being invoked, which eventually results in the termination of the program in which it is thrown. 2013-01-15, 2345👍, 0💬

What is the Set interface?
What is the Set interface? The Set interface provides methods for accessing the elements of a finite mathematical set. Sets do not allow duplicate elements. 2013-01-03, 2344👍, 0💬

What classes of exceptions may be caught by a catch clause?
What classes of exceptions may be caught by a catch clause? A catch clause can catch any exception that may be assigned to the Throwable type. This includes the Error and Exception types. 2012-11-15, 2344👍, 0💬

What modifiers may be used with an inner class that is a member of an outer class?
What modifiers may be used with an inner class that is a member of an outer class? A (non-local) inner class may be declared as public, protected, private, static, final, or abstract. 2012-09-25, 2344👍, 0💬

What are the Object and Class classes used for?
What are the Object and Class classes used for? The Object class is the highest-level class in the Java class hierarchy. The Class class is used to represent the classes and interfaces that are loaded by a Java program. 2012-08-08, 2344👍, 0💬

What is the difference between a public and a non-public class?
What is the difference between a public and a non-public class? A public class may be accessed outside of its package. A non-public class may not be accessed outside of its package. 2013-01-22, 2341👍, 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