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An application programming interface (API), in the context of Java, is a collection of prewritten packages, classes, and interfaces with their respective methods, fields and constructors. Similar to...

The vast majority of the appropriate responses on the this one are from around 2014, so I thought of including some new point of view. To set the setting right, it's 2017, so I'm accepting, when you...

The biggest advantages in eclipse are:
(eclipse is constantly assisting while coding)
Code Completion, instead of digging through documentation you should be able to tab your way through methods...

When one class extends more than one classes then this is called multiple inheritance. For example: Class C extends class A and B then this type of inheritance is known as multiple inheritance. Java...

Stack trace is a representation of the call stack. A stack trace is a report of the active stack frames at a certain point in time during the execution of a program. In other words, the call stack is...

Data types aren’t much use unless you can do things with them. For this purpose classes have methods. Members say what a class is. Methods say what a class does. For instance our website class might...

Abstraction: Hiding the internal implementation of the feature and only showing the functionality to the users. i.e. what it works (showing), how it works (hiding). Both abstract class and interface...

Advantages of IDE:

1. Using IDE will cost you less time and effort .

2.Navigation is made easier.

3.Auto completion- one of the best features , you don’t have to remember all.
...

Overloading occurs when two or more methods in one class have the same method name but different parameters.


Overriding means having two methods with the same method name and parameters (i.e.,...

Definition - What does Call Stack mean?
A call stack, in C#, is the list of names of methods called at run time from the beginning of a program until the execution of the current statement.

A...

Anytime you have a collection of things you will need some mechanism to systematically step though the items in that collection. As an everyday example, consider the television remote control, which...

Java has many built-in exception classes, such as NullPointerException and IllegalArgumentException. At times however, you might want to create your own exception class. For example, as opposed to...

What is javascript and their function??

The Java platform always has a strong support for concurrent programming and multithreading. But in earlier days the support was in the form of calling native constructs itself in the application...

There are many differences between method overloading and method overriding in java. A list of differences between method overloading and method overriding are given below:

No.
Method Overloading...

The primary difference is that threads within the same process run in a shared memory space, while processes run in separate memory spaces.
Threads are not independent of one another like processes...

If you are truly dynamically setting this, you should set the .Url field of instance of the proxy class you are calling.

Setting the value in the .config file from within your program:

Is a...

Creating a Web Service From Java
One way to create a web service application is to start by coding the endpoint in Java. If you are developing your Java web service from scratch or have an existing...

Apache Tomcat is used to deploy your Java Servlets and JSPs. So in your Java project you can build your WAR (short for Web ARchive) file, and just drop it in the deploy directory in Tomcat. So...

Java is strictly pass-by-value, it's just that the values are often references.) When you change the value within that object using theBar.foo.a , then looking at the value of a again using theFoo.a...

Java is one of the most popular and widely used programming language and platform. A platform is an environment that helps to develop and run programs written in any programming language.
Java is...

Process
Processes are heavyweight operations
Each process has its own memory space
Inter-process communication is slow as processes have different memory addresses
Context switching between...

C++ , Common lisp and few other languages supports multiple inheritance while java doesn’t support it. Java doesn’t allow multiple inheritance to avoid the ambiguity caused by it. One of the example...

Java Applet Basics
Applet is a Java program that can be embedded into a web page. It runs inside the web browser and works at client side. Applet is embedded in a HTML page using the APPLET or...

A constructor is a special method that is used to initialize a newly created object and is called just after the memory is allocated for the object. It can be used to initialize the objects to...