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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.
You will be creating a World that consists of ants and doodlebugs. Each time you click the board each bug will do some of the following: move, bread, eat, and starve. Ants will
You should override the hashCode() and equals() functions from the Object class. The default implementation of the hashcode() and equals(), which are inherited from the java.
1. Lifecycle Management : Individual enterprise beans do not accept to explicitly manage process allocation, object activation, thread management, or object destruction. The EJ
Write the hashCode() method of java.lang.Object Anytime you override equals() you should also override hashCode(). The hashCode() method should ideally return the similar int f
What is the difference between static and non-static variables? A static variable is associated with the class as a whole rather than with specific instances of a class. Non-st
Compare SWING components to the standard AWT .
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Project Description: Android app for particular needs children Provide the fonts, layouts and images of the app. Functions: home screen: main page that links to 'login'
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