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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 superclasses. 2012-07-20, 2965👍, 0💬

If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}?
If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}? The second is disallowed under `use strict "refs"'. Dereferencing a string with *{"STR"} is disallowed under the refs stricture, although *{STR} would not be. This is similar in spirit to the way ${"... 2013-09-16, 2964👍, 0💬

What value does readLine() return when it has reached the end of a file?
What value does readLine() return when it has reached the end of a file? The readLine() method returns null when it has reached the end of a file. 2012-10-05, 2964👍, 0💬

What are the different identifier states of a Thread?
What are the different identifier states of a Thread? The different identifiers of a Thread are: R - Running or runnable thread S - Suspended thread CW - Thread waiting on a condition variable MW - Thread waiting on a monitor lock MS - Thread suspended waiting on a monitor lock 2013-02-07, 2963👍, 0💬

What can go wrong if you replace &emp;&emp; with &emp; in the following code: String a=null; if (a!=null && a.length()&gt;10) {
What can go wrong if you replace &emp;&emp; with &emp; in the following code: String a=null; if (a!=null && a.length()&gt;10) {...} A single ampersand here would lead to a NullPointerException. 2012-06-19, 2962👍, 0💬

What is the difference between fgetpos/fsetpos and ftell/fseek? What are fgetpos and fsetpos good for?
What is the difference between fgetpos/fsetpos and ftell/fseek? What are fgetpos and fsetpos good for? ftell and fseek use type long int to represent offsets (positions) in a file, and may therefore be limited to offsets which can be represented in a long int. (Type long int is not guaranteed to hol... 2015-10-14, 2961👍, 0💬

What tool is used to manage the GAC?
What tool is used to manage the GAC? What tool is used to manage the GAC? * GacMgr.exe * GacSvr32.exe * GacUtil.exe * RegSvr.exe GacUtil.exe 2014-03-11, 2961👍, 0💬

What's new with the stop(), suspend() and resume() methods in JDK 1.2?
What's new with the stop(), suspend() and resume() methods in JDK 1.2? The stop(), suspend() and resume() methods have been deprecated in JDK 1.2. 2012-06-05, 2956👍, 0💬

What is NullPointerException and how to handle it?
What is NullPointerException and how to handle it? When an object is not initialized, the default value is null. When the following things happen, the NullPointerException is thrown: --Calling the instance method of a null object. --Accessing or modifying the field of a null object. --Taking the len... 2012-05-17, 2955👍, 0💬

How many languages .NET is supporting now?
How many languages .NET is supporting now? When .NET was introduced it came with several languages. VB.NET, C#, COBOL and Perl, etc. The site DotNetLanguages.Net says 44 languages are supported. 2013-09-26, 2952👍, 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, 2950👍, 0💬

What is Serialization and deserialization?
What is Serialization and deserialization? Serialization is the process of writing the state of an object to a byte stream. Deserialization is the process of restoring these objects. 2012-08-09, 2950👍, 0💬

What is the purpose of finalization?
What is the purpose of finalization? The purpose of finalization is to give an unreachable object the opportunity to perform any cleanup processing before the object is garbage collected. 2012-06-28, 2950👍, 0💬

Write a Struct Time where integer m, h, s are its members
Write a Struct Time where integer m, h, s are its members struct Time { int m; int h; int s; }; 2012-01-20, 2950👍, 0💬

What is delay signing?
What is delay signing? Delay signing allows you to place a shared assembly in the GAC by signing the assembly with just the public key. This allows the assembly to be signed with the private key at a later stage, when the development process is complete and the component or assembly is ready to be d... 2014-12-31, 2946👍, 0💬

How can you add properties to an object?
How can you add properties to an object? 2013-10-23, 2945👍, 0💬

What is the difference between Process and Thread?
What is the difference between Process and Thread? A process can contain multiple threads. In most multithreading operating systems, a process gets its own memory address space; a thread doesn't. Threads typically share the heap belonging to their parent process. For instance, a JVM runs in a single... 2012-06-18, 2945👍, 0💬

Is Iterator a Class or Interface? What is its use?
Is Iterator a Class or Interface? What is its use? Iterator is an interface which is used to step through the elements of a Collection. 2012-05-23, 2940👍, 0💬

What is synchronization and why is it important?
What is synchronization and why is it important? With respect to multithreading, synchronization is the capability to control the access of multiple threads to shared resources. Without synchronization, it is possible for one thread to modify a shared object while another thread is in the process of... 2012-09-17, 2939👍, 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, 2938👍, 0💬

What are the implicit objects?
What are the implicit objects? Implicit objects are objects that are created by the web container and contain information related to a particular request, page, or application. They are: --request --response --pageContext --session --application --out --config --page --exception 2013-07-08, 2936👍, 0💬

What is the difference between a Java application and a Java applet?
What is the difference between a Java application and a Java applet? The difference between a Java application and a Java applet is that a Java application is a program that can be executed using the Java interpeter, and a JAVA applet can be transfered to different networks and executed by using a w... 2012-04-12, 2935👍, 0💬

The Equivalent Html Control for the &lt;input type=”checkbox”> tag is
The Equivalent Html Control for the &lt;input type=”checkbox”> tag is The Equivalent Html Control for the &lt;input type=”checkbox”> tag is * HtmlCheckBox * HtmlInputChkBox * HtmlInputCheckBox * HtmlInputTypeChkBox HtmlInputCheckBox 2014-06-23, 2933👍, 0💬

How are the elements of a BorderLayout organized?
How are the elements of a BorderLayout organized? The elements of a BorderLayout are organized at the borders (North, South, East, and West) and the center of a container. 2012-11-08, 2931👍, 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