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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.
When multiple threads working, Synchronization is to lock a method for a certain object.
You are required to implement a Java application that allows a user to create, read, update and delete data in a table in a MySQL database. Your program must use a Java class that
Corporate Web Support: Worked for CGI as Software Engineer in a team called CWS (Corporate Web Support). We support more than 400 applications for BELL Corporate. Here tas
Design and implement a class called Sphere that contains instance data that represents the sphere''s diameter, and include getter and setter methods for the diameter. Include metho
Too many function invocations between the server and the client will lead to network overhead, tight coupling due to dependencies between the server and the client, misuse of serve
Platform independence is the key feature of Java during runtime. Syntax of java is same to the popular object oriented languages such as C and C++. Java program can eliminate most
1. Which of the following are not valid Java identifiers, and why? (a) wolVes (b) United(there is only one) (c) 87 (d) 5 3 (e) Real ale (f) isFound?by 2. A cla
A proxy is an object that is formed after applying advice to a target object. When you think of client objects the target object and the proxy object are the similar.
I just finished a small tutorial on JSP and servlet now I was looking for some assignments so that I can try my hands on
Android app for evaluating of distance Project Description: The request is to prepare an app for Android. The application needs to run on tablet (7 "or larger) and the layout
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