Introductory to object-oriented programmin UE Past Papers Questions.

Given the following Java abstract class , create a class called Alvin that will inherit this Chipmunk class and implement the abstract method speak(). Finally, create a class called DemoAbstract which contains the main method with an object called alvy that calls the method speak()

public abstract class Chipmunk{

  public void chipmunkName(String nameOfChipmunk){

     String name;

     name= nameOfChipmunk;

    System.out.println(“The name of chipmunk is “+name);

  }

public abstract void speak();

}

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UNSOLVED

What is UML? State three advantages of using UML in modeling complex systems.

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UNSOLVED

List at least 6 characteristics of Java programming language.

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UNSOLVED

Briefly explain four types of Java variables.

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UNSOLVED

Write a Java program to compute renumeration of a worker per day. Assumethat the worker works only for 8 hours a dayand every hour is paid 5000Tshs.

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UNSOLVED