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Question:
(a) What are the main differences between an object and a class? Illustrate with appropriate examples.
(b) Differentiate between a global variable and a local variable. You may use a simple Java program to illustrate your answer.
(c) What do you understand by the term ‘constructor' in Java? Explain your answer with an appropriate example.
(d) Declare and initialise an array of type float of size 5 to store the marks obtained by a student at his examinations. Initialise the array with the following values {65, 57, 75, 49, 88}.
Write the code fragments in Java to find:
(i) the average mark obtained by the student at the examinations. (ii) the highest mark obtained by the student. (iii) the lowest mark obtained.
Difference between Hash Map and Hash Table? The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and allows nulls. (HashMap allows null values
1. Go to www.bytesizebook.com 2. Follow the first link: Guide to Web Development with Java 3. Click on Examples tab 4. Go down to Chapter 4 to find all jar folders, packages, class
For an assignment I need to write an array program to go along with an instance variable. I keep getting the no main class error when I run my program.
i need help
Describe Overriding Methods ? Assume that one day you've just finished your Car class. It's been plugged into your traffic simulation that is chugging along merrily simulating
Java developer with spring framework needed I need an experienced person in java with spring frame work. Desired Skills are Java
Need Software protection with data files encryption Project Description: I am use to Chinese dongle sense lock clave 2, i need to prepare to dongle encryption tool same appli
What are separators in java? Separators help elaborates the structure of a program. The separators used within HelloWorld are parentheses, ( ) , braces, { } , the period, .
Synchronous messaging involves a client that waits for the server to respond to a message. So if one end is down the whole communication will fail.
RMI transport layer usually opens direct sockets to the server. Several Intranets have firewalls that do not accept this. To get through the firewall an RMI call may be embedded wi
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