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Give the example of Using a class from the class library ?
You use the java.net.URL class only like you'd use any other class along with these methods in which happens to be named java.net.URL. For example, public class URLSplitter {
public static void main(String[] args) { for (int i = 0; i < args.length; i++) { try { java.net.URL u = new java.net.URL(args[i]); System.out.println("Protocol: " + u.getProtocol()); System.out.println("Host: " + u.getHost()); System.out.println("Port: " + u.getPort()); System.out.println("File: " + u.getFile()); System.out.println("Ref: " + u.getRef()); } catch (java.net.MalformedURLException ex) { System.err.println(args[i] + " is not a valid URL"); } }
}
}Here's the output: $ java URLSplitter https://www.poly.eduProtocol: httpHost: www.poly.eduPort: -1File: /Ref: null
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
Develop E-Commerce Website I need an E-Commerce website for my furniture shop which requires to an online store to buy products online. So, Skills required: HTML, Java, Gr
Java Server Pages (JSP) is a platform independent presentation layer technology that comes with SUN s J2EE platform. JSPs are normal HTML pages with Java code pieces embedded in th
Suppose we have a big project. Draw hierarchy of the people involved in the project? Executive Team CEO, COO, CMSO Quality Architecture Team Business Development Team Technolog
Implement the Money class discussed in class. This class should represent a dollar and cents amount with 0-99 cents and the cents being the same sign as the dollars. The class shou
List the keywords which are used in java 1.1? The list of keywords which are used in java 1.1 are given below: Keyword Purpose boole
Loosely coupled SOA SOA gives in loosely coupled application elements, in which message is not necessarily tied to a particular database. Loose coupling actives enterprises to
try { pa="weblog"; pas="weblog"; Connection c; Statement st;
A final class will not be extended i.e. A final method cannot be overridden when its class is added. You can't modify value of a final variable.
Collaboration diagrams are also communication diagrams. Collaboration diagrams give the same message as the sequence diagrams. But the collaboration diagrams depend on the object f
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