Page 192 - CTS - CSA TP - Volume 2

COMPUTER SOFTWARE APPLICATION - CITS

EXERCISE 113 : Create and implement an interface

Objectives

At the end of this exercise you shall be able to
• develop Java programs to Create and implement an interface.

Requirements

Tools/Materials
• PC / laptop with windows OS
• SDK software
• Test editor (Visual studio/ subline/ notepad)

Procedure

TASK 1: Interface and Implementation

// Define an interface named Printable
interface Printable {
void print(); // Abstract method without implementation
}

// Implement the Printable interface in a class
class Printer implements Printable {
// Provide implementation for the print method
@Override

public void print() {
System.out.println(“Welcom to Java”);
}
}

// Main class to demonstrate interface implementation
public class InterfaceImplementationExample {
public static void main(String[] args) {
// Create an instance of the Printer class
Printer myPrinter = new Printer();

// Call the print method through the Printable interface
myPrinter.print();
}

}

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CITS : IT & ITES - Computer Software Application - Exercise 112