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Question:
(a) Java does not support multiple inheritance but does provide the concept of ‘interface'. Explain how interfaces can help a programmer to implement multiple inheritance in their programs. Explain with suitable Java examples.
(b) What is an abstract class in Java? Describe the importance of implementing these classes in programs. Illustrate with an example of your own.
(c) Show the Java approach to event processing by explaining how event handling works in Java. Use an example to support your answer.
(d) Describe what is a ‘Listener' in Java using an appropriate example?
Using Java, write the class Time which consists of the following: (a) three private integer data members (hours, minutes and seconds). (b) a constructor to initialise the dat
Question: (a) Draw out a UML class diagram that captures the following information: An Employee is a kind of Person. An ATM is a kind of Machine. Both an Employee and an ATM
How many iterations would this ‘for' loop run for? for ( x = 50 ; x document.write ( x ) ; } Answer: 50 iterations
what is thread synchronization
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 class Television
Question 1 What are the different types of data types in java? Question 2 Write a note on Operator Precedence Question 3 Write a note on Random access files
Describe the java.lang package ? Each package describes a number of classes, exceptions, interfaces, and errors. For instance, in Java 1.1 the java.lang package holds these:
How many JSP scripting elements and what are they? Ans) Three scripting language elements are there: a) declarations, b) scriptlets, c) expressions.
Write a program to explain do while loop in Java ? // This is the Hello program in Java class Hello { public static void main (String args[]) { int i = -1; do { if (
I want Crime Management website Project Description: It is a web based project build in J2EE as front end and Oracle as back end for peoples so they will register complaints
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