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Question:
(a) (i) Explain the concept of inheritance. Illustrate your answer with a suitable Java example.
(ii) 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. Illustrate with suitable Java examples.
(b) What is an abstract class in Java? Explain the importance of implementing these classes in programs. Illustrate with an example of your own.
(c) Using a suitable Java example explain the term polymorphism.
memory allocation of local variable
Create a class HourlyWorker mind: particularHourlyWorker employee. • Declare two data members named wage and hours of double type with private access. • Implement a parameterized c
Having one instance overall the application.eg.: Loggers
Question Based on the program fragment below, rewrite the outer for loop using: a. while loop b. repeat..until loop
Differentiate Local and Global Variables? Local variables are the variables have limited scope although global have bigger scope Local variables are not accessed through others
What is White Space? explain proper use of white space in java? White space consists mainly of the space character in which you generates through hitting the space bar on your
What is JDBC exactly? Describe the steps required to execute a SQL query using JDBC.
I want to learn java
i have got project of Vending machine. would you please help me about how to start and how to use coding.thanks
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