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Explain the Reading documentation for a class in the class library
For instance, let's suppose you need to use the URL class in the java.net package. Through reading the documentation for the class you discover that it has the subsequent public methods and constructors:
public URL(String protocol, String host, int port, String file) throws MalformedURLExceptionpublic URL(String protocol, String host, String file) throws MalformedURLExceptionpublic URL(String spec) throws MalformedURLExceptionpublic URL(URL context, String spec) throws MalformedURLExceptionpublic int getPort()public String getFile()public String getProtocol()public String getHost()public String getRef()public boolean equals(Object obj)public int hashCode()public boolean sameFile(URL other)public String toString()public URLConnection openConnection() throws IOExceptionpublic final InputStream openStream() throws IOExceptionpublic static synchronized void setURLStreamHandlerFactory(URLStreamHandlerFactory factory)
You use this class only like you'd use any other class with these techniques which happens to be named java.net.URL.
What is PortableRemoteObject.narrow() method and what is used for? Ans) Java RMI-IIOP gives a mechanism to narrow the the Object you have received from from your
The ' is a ' relationship is used with inheritance and ' has a ' relationship is used with composition . Both composition and inheritance allow you to perform sub-objects in
Develop a rfid based student attendance system include biometrics Project Description: The aim of our project is using rfid technology student attendance has to be taken. whe
Explain The Applet in java? The reason people are excited about Java as more than just another OOP language is because it allows them to write interactive applets on the web.
Classes are attached into the JVM as they are referenced by name in a class that is already running in the JVM. So, how is the staring class loaded? The very first class is espec
What is Constructor? A constructor is used to initialize a newly created object. It's called just after memory is allocated for the object. It can be used to initial
A BeanFactory is like a factory class that having a collection of beans. The BeanFactory holds Bean Definitions of multiple beans within itself and then instantiates the bean whene
I earn .... Rs per month. if mobile costs 20% of my earning. I will buy in cash. if costs more than 20%. I will buy in 3 months installments without interest. if costs more than 40
Explain the term Event Handler? An event handler is a command that calls a function while an event happens, like as the user clicking a button.
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