Page 183 - CTS - CSA TP - Volume 2

COMPUTER SOFTWARE APPLICATION - CITS

EXERCISE 111 : Create interfaces in JAVA

Objectives

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

Requirements

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

Procedure

TASK 1: Here’s a basic example of using an interface in Java:
// 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(“Printing a document...”);
}

}
// Main class to demonstrate the interface usage
public class InterfaceBasicExample {
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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