Introductory to object-oriented programmin UE Past Papers Questions.

Define the following terms

1. Static Method
2. Final class
3. Super class
4. Java Package
5. Abstract Method
6. Protected Access Modifier

Answer / Solution

UNSOLVED

Mention and explain the four principles of Object Oriented Programming.

Answer / Solution

UNSOLVED

Distinguish between method overloading and method overriding.

Answer / Solution

UNSOLVED

Write a simple java method that can add 3 numbers and return their summation.

Hints:

1. use three parameters x,y and z
2. assume x,y and z can have decimal values
3. method name should be Adder
4. the method should be static

Answer / Solution

UNSOLVED

Write a Java program to show an example of how a “Student” class can inherit “Person” class.

Hints:

1. Class Person has the following states and behaviors;

States: String name; string id; char sex; int age;

Behaviors: readBook() and writeBook()// should be abstract.

2. In the parent class write at least one constructor with any number of parameters of your choice according to the above states.
3. Overload the above constructor with another making sure that you follow the standard rules for overloading   
4. The main method should be implemented in a child//sub class
5. In the sub-class implement method overriding by implementing readBook() and writeBook() with a body of your choice.

Answer / Solution

UNSOLVED