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Does the code in finally block get executed if there is an exception and a return statement in a catch block?
Does the code in finally block get executed if there is an exception and a return statement in a catch block? If an exception occurs and there is a return statement in catch block, the finally block is still executed. The finally block will not be executed when the System.exit(1) statement is execut... 2012-08-10, 2534👍, 0💬

How do I mix JSP and SSI #include?
How do I mix JSP and SSI #include? Answer 1 If you're just including raw HTML, use the #include directive as usual inside your .jsp file. But it's a little trickier if you want the server to evaluate any JSP code that's inside the included file. If your data.inc file contains jsp code you will have ... 2013-08-05, 2533👍, 0💬

Is there any other way that you can achieve inheritance in Java?
Is there any other way that you can achieve inheritance in Java? There are a couple of ways. As you know, the straight way is to "extends" and/or "implements". The other way is to get an instance of the class to achieve the inheritance. That means to make the supposed-super-class be a field member. ... 2012-08-29, 2531👍, 0💬

What is transient variable?
What is transient variable? Transient variable can't be serialize. For example if a variable is declared as transient in a Serializable class and the class is written to an ObjectStream, the value of the variable can't be written to the stream instead when the class is retrieved from the ObjectStrea... 2013-03-29, 2530👍, 0💬

Whats the difference between notify() and notifyAll()?
Whats the difference between notify() and notifyAll()? notify() is used to unblock one waiting thread; notifyAll() is used to unblock all of them. Using notify() is preferable (for efficiency) when only one blocked thread can benefit from the change (for example, when freeing a buffer back into a po... 2013-02-15, 2530👍, 0💬

What is an abstract method?
What is an abstract method? An abstract method is a method whose implementation is deferred to a subclass. 2012-11-01, 2529👍, 0💬

The property that indicates whether existing database constraints should be observed when performing updates
The property that indicates whether existing database constraints should be observed when performing updates The property that indicates whether existing database constraints should be observed when performing updates * EnforceConstraints * Constraints * GetConstraints * ConstraintsEnforce EnforceCo... 2014-07-30, 2528👍, 0💬

Can a top level class be private or protected?
Can a top level class be private or protected? No. A top level class can not be private or protected. It can have either "public" or no modifier. If it does not have a modifier it is supposed to have a default access.If a top level class is declared as private the compiler will complain that the "mo... 2013-05-15, 2527👍, 0💬

What is the preferred size of a component?
What is the preferred size of a component? The preferred size of a component is the minimum component size that will allow the component to display normally. 2012-09-19, 2527👍, 0💬

How to add menushortcut to menu item?
How to add menushortcut to menu item? If you have a button instance called aboutButton, you may add menu short cut by calling aboutButton.setMnemonic('A'), so the user may be able to use Alt+A to click the button. 2012-08-17, 2525👍, 0💬

Is sizeof a keyword?
Is sizeof a keyword? The sizeof operator is not a keyword. 2012-10-01, 2522👍, 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 wait for a shared resource. When a thread executes an object's wait() method, it enters the waiting state. It only enters the ready s... 2012-10-31, 2521👍, 0💬

How do you create thread in.NET?
How do you create thread in.NET? 1) Import System.Threading 2) Create a new thread using new Thread() and assign the address of the method 3) Use Thread.Start method to start the execution using System; using System.Threading; public class Test { static void Main() { ThreadStart job = new ThreadStar... 2014-11-19, 2519👍, 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, 2519👍, 0💬

How can I shut off the warning: possible pointer alignment problem ...
How can I shut off the ``warning: possible pointer alignment problem'' message which lint gives me for each call to malloc? A modern lint shouldn't be complaining about this. Once upon a time, lint did not and could not know that malloc ``returns a pointer to space suitably aligned for storage of an... 2016-06-03, 2518👍, 0💬

What is the difference between a static and a non-static inner class?
What is the difference between a static and a non-static inner class? A non-static inner class may have object instances that are associated with instances of the class's outer class. A static inner class does not have any object instances. 2012-11-06, 2516👍, 0💬

What comes to mind when you hear about a young generation in Java?
What comes to mind when you hear about a young generation in Java? Garbage collection. 2013-04-14, 2515👍, 0💬

This class (IncrementImpl) will be used by various threads concurrently; can you see the inherent flaw(s)? How would you improve
This class (IncrementImpl) will be used by various threads concurrently; can you see the inherent flaw(s)? How would you improve it? public class IncrementImpl { private static int counter = 0; public synchronized void increment() { counter++; } public int getCounter() { return counter; } } The coun... 2012-08-28, 2512👍, 0💬

What is the default value of an object reference declared as an instance variable?
What is the default value of an object reference declared as an instance variable? Null unless we define it explicitly. 2013-05-15, 2510👍, 0💬

How many bits are used to represent Unicode, ASCII, UTF-16, and UTF-8 characters?
How many bits are used to represent Unicode, ASCII, UTF-16, and UTF-8 characters? Unicode requires 16 bits and ASCII require 7 bits. Although the ASCII character set uses only 7 bits, it is usually represented as 8 bits. UTF-8 represents characters using 8, 16, and 18 bit patterns. UTF-16 uses 16-bi... 2012-09-27, 2510👍, 0💬

What is a task's priority and how is it used in scheduling?
What is a task's priority and how is it used in scheduling? A task's priority is an integer value that identifies the relative order in which it should be executed with respect to other tasks. The scheduler attempts to schedule higher priority tasks before lower priority tasks. 2012-10-12, 2509👍, 0💬

When is the ArrayStoreException thrown?
When is the ArrayStoreException thrown? When copying elements between different arrays, if the source or destination arguments are not arrays or their types are not compatible, an ArrayStoreException will be thrown. 2012-09-05, 2507👍, 0💬

Can one create a method which gets a String and modifies it?
Can one create a method which gets a String and modifies it? No. In Java, Strings are constant or immutable; their values cannot be changed after they are created, but they can be shared. Once you change a string, you actually create a new object. For example: String s = "abc"; //create a new String... 2012-08-24, 2506👍, 0💬

What happens when a thread cannot acquire a lock on an object?
What happens when a thread cannot acquire a lock on an object? If a thread attempts to execute a synchronized method or synchronized statement and is unable to acquire an object's lock, it enters the waiting state until the lock becomes available. 2012-11-14, 2505👍, 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