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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
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b
Describe the Four Levels of Access Protection ? Any two various Java objects have one of four relations to each other. The four relations are: • The objects are in the simila
Question 1 Describe the browser components and its features Question 2 Define in detail the building of webpage Question 3 How to use forms? Describe with an example
Authentication is basically an identification step. Functionality used for J2EE security: Principal : An entity that may be authenticated and identified. Principal n
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O/R mapping is well suited for read, change, write centric applications and not suited for write centric applications where data is seldom read. Although this was usually true of m
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Each time an object is started in Java it goes into the area of memory named as heap. The primitive variables like double and int are allocated in the stack, if they are local inst
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