Q. Write a program to create a user defined package in Java.
Answer:
A package is a mechanism to group the similar type of classes, interfaces and sub-packages and provide access control. It organizes classes into single unit.
Output:
Answer:
A package is a mechanism to group the similar type of classes, interfaces and sub-packages and provide access control. It organizes classes into single unit.
Vehicle.java
package vehicles;
interface Vehicle
{
public void run();
public void speed();
}
Car.java
package vehicles;
public class Car implements Vehicle
{
public void run()
{
System.out.println("Car is running.");
}
public void speed()
{
System.out.println("Speed of Car: 50 Km/h");
}
public static void main(String args[])
{
Car Car = new Car();
Car.run();
Car.speed();
System.out.println("Hello World!");
}
}
Output:
