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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 HashMap and Hash table HashMap: It allow us to have null values and also one null key It is Unsynchronized. Iterator in HashMap is Fail-Safe.
This is a two part project, one in Alice, and another in Java. You can either zip the files together as one and upload the single zip file, OR upload the separate files. If you dec
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Create a class to implement the ArrayList collection. The name should be YourFirstNameArrayList; for example if I were creating the class then I would call it WaynesArrayList. Do
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Create an object model for the Solar System using the following link: Provide">http://airandspace.si.edu/etp/ss/index.htm Provide an abstract class called Planet and a concrete s
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What are the steps of working of TCP and IP protocols within internet transmission? TCP divide messages in several packets (capsulation) and sent these messages over the internet
Compare SWING components to the standard AWT .
The statechart diagrams and activity diagram are related in a sense that statechart diagram refers on object undergoing a transition process and an activity diagram refers on the f
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