class Vehicle { String s = "This is my vehicle" ; } class Car extends Vehicle { String s = "This is my car" ; { System.out.println( super .s); } } class Truck extends Car { String s = "This is my truck" ; { System.out.println( super .s); } } public class MainClass { public static void main(String[] args) { Truck t = new Truck (); System.out.println(t.s); } }
OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
class Vehicle
{
String s = "This is my vehicle" ;
}
class Car extends Vehicle
{
String s = "This is my car" ;
{
System.out.println( super .s);
}
}
class Truck extends Car
{
String s = "This is my truck" ;
{
System.out.println( super .s);
}
}
public class MainClass
{
public static void main(String[] args)
{
Truck t = new Truck ();
System.out.println(t.s);
}
}
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