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Is &&= a valid Java operator?
Is &&= a valid Java operator? No, it is not. 2012-11-29, 2303👍, 0💬

How would one do a deep copy in .NET?
How would one do a deep copy in .NET? Answer1: System.Array.CopyTo() - Deep copies an Array Answer2: How would one do a deep copy in .NET? The First Approach. 1.Create a new instance. 2.Copy the properties from source instance to newly created instance. [Use reflection if you want to write a common ... 2014-02-26, 2302👍, 0💬

What is the difference between a while statement and a do statement?
What is the difference between a while statement and a do statement? A while statement checks at the beginning of a loop to see whether the next loop iteration should occur. A do statement checks at the end of a loop to see whether the next iteration of a loop should occur. The do statement will alw... 2013-06-12, 2302👍, 0💬

Which operator is used for connecting a event with a procedure in C#?
Which operator is used for connecting a event with a procedure in C#? Which operator is used for connecting a event with a procedure in C#? * += * = * both * none += 2014-06-23, 2301👍, 0💬

Which of these is a difference between C++ and Perl?
Which of these is a difference between C++ and Perl? Perl can have objects whose data cannot be accessed outside its class, but C++ cannot. Perl can use closures with unreachable private data as objects, and C++ doesn't support closures. Furthermore, C++ does support pointer arithmetic via `int *ip ... 2013-08-22, 2301👍, 0💬

What is the result in program?
What is the result in program? public class test { public static void main(String [] args) { int x = 3; int y = 1; if (x = y) System.out.println("Not equal"); else System.out.println("Equal"); } } What is the result? A. The output is “Equal” B. The output in “Not Equal” C. An error at "... 2013-03-05, 2301👍, 0💬

Why are there no global variables in Java?
Why are there no global variables in Java? Global variables are considered bad form for a variety of reasons: · Adding state variables breaks referential transparency (you no longer can understand a statement or expression on its own: you need to understand it in the context of the settings of the ... 2013-02-18, 2301👍, 0💬

Which DLL translate XML to SQL in IIS?
Which DLL translate XML to SQL in IIS? Sqlisapi.dll 2013-12-23, 2299👍, 0💬

What does it mean that a method or field is "static"?
What does it mean that a method or field is "static"? Static variables and methods are instantiated only once per class. In other words they are class variables, not instance variables. If you change the value of a static variable in a particular object, the value of that variable changes for all in... 2013-02-11, 2298👍, 0💬

When is the finally clause of a try-catch-finally statement executed?
When is the finally clause of a try-catch-finally statement executed? The finally clause of the try-catch-finally statement is always executed unless the thread of execution terminates or an exception occurs within the execution of the finally clause. 2012-12-17, 2298👍, 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, 2297👍, 0💬

What is an execution plan? When would you use it? How would you view the execution plan?
What is an execution plan? When would you use it? How would you view the execution plan? The Query Analyzer has a feature called Show Execution Plan. This option allows you to view the execution plan used by SQL Server’s Query Optimizer to actually execute the query. This option is available from... 2014-10-13, 2296👍, 0💬

How can I enable session tracking for JSP pages if the browser has disabled cookies?
How can I enable session tracking for JSP pages if the browser has disabled cookies? We know that session tracking uses cookies by default to associate a session identifier with a unique user. If the browser does not support cookies, or if cookies are disabled, you can still enable session tracking ... 2013-07-20, 2295👍, 0💬

What is an abstract class?
What is an abstract class? Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie, you may not call its constructor), abstract class may contain static data. Any class with an abstract method is automatically abstract ... 2013-04-30, 2295👍, 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, 2295👍, 0💬

What is a Java package and how is it used?
What is a Java package and how is it used? A Java package is a naming context for classes and interfaces. A package is used to create a separate name space for groups of classes and interfaces. Packages are also used to organize related classes and interfaces into a single API unit and to control ac... 2013-01-24, 2294👍, 0💬

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, 2292👍, 0💬

Does Java pass by Value or reference?
Does Java pass by Value or reference? Its uses Reference while manipulating objects but pass by value when sending method arguments. Those who feel why I added this simple question in this section while claiming to be maintaining only strong and interesting questions, go ahead and answer following q... 2013-03-20, 2291👍, 0💬

What is a void return type?
What is a void return type? A void return type indicates that a method does not return a value. 2013-01-07, 2291👍, 0💬

Return a null pointer or a pointer to 0 bytes? .....
What should malloc(0) do? Return a null pointer or a pointer to 0 bytes? The ANSI/ISO Standard says that it may do either; the behavior is implementation-defined ortable code must either take care not to call malloc(0), or be prepared for the possibility of a null return. 2016-04-21, 2290👍, 0💬

What are Checked and UnChecked Exception?
What are Checked and UnChecked Exception? A checked exception is some subclass of Exception (or Exception itself), excluding class RuntimeException and its subclasses. Making an exception checked forces client programmers to deal with the possibility that the exception will be thrown. eg, IOExceptio... 2013-05-10, 2290👍, 0💬

What advantage do Java's layout managers provide over traditional windowing systems?
What advantage do Java's layout managers provide over traditional windowing systems? Java uses layout managers to lay out components in a consistent manner across all windowing platforms. Since Java's layout managers aren't tied to absolute sizing and positioning, they are able to accommodate platfo... 2012-12-10, 2290👍, 0💬

What are checked exceptions?
What are checked exceptions? Checked exception are those which the Java compiler forces you to catch. e.g. IOException are checked Exceptions. 2013-05-28, 2289👍, 0💬

What is the difference between preemptive scheduling and time slicing?
What is the difference between preemptive scheduling and time slicing? Under preemptive scheduling, the highest priority task executes until it enters the waiting or dead states or a higher priority task comes into existence. Under time slicing, a task executes for a predefined slice of time and the... 2013-06-07, 2288👍, 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