Page 368 - Computer_Science_F5

Program Example 5.25:

Java program to demonstrate multiple interface

Java program to demonstrate multiple interface Chapter Five: Object oriented programming with Java
FOR ONLINE READING ONLY
interface One {
public void methodA(); // This is interface method
}
interface Two {
public void methodB(); // This is interface method
}
class OnRoadTest implements One, Two {
public void methodA() {
System.out.println(“We test the movie of interface..”);
}
public void methodB() {
System.out.println(“We are to make object from this interface...”);
}
}
class Main {
public static void main(String[] args) {
OnRoadTest makeObj = new OnRoadTest ();
makeObj.methodA();
makeObj.methodB();
}
}

Output:

Figure 5.27: Output of multiple interface program

Activity 5.9: Exercise 5.4:

Visualisation of Java interface code 1. Explain the concept of inheritance
execution in Java and how it allows classes
to inherit properties and behaviors
Use Jeliot 3 or later version, visualise from other classes. Provide an
the step by step execution of java example of inheritance in action.
program to explore about interface 2. Describe the difference between
in Java. Use the code in Program single inheritance and multiple
Example 5.25. inheritance in Java. How does Java

359
Student’s Book Form Five

Computer Science Form 5.indd 359 23/07/2024 12:34