Java Constructors

what is constructor in java

In Java, a constructor is a special type of method used to initialize objects when they are created.
It is called automatically when an instance of a class is created using the new keyword.

Basic program of constructor in java:

 class Bike{

 String make;
 String model;
 int   year ;
 String color;
 int  gear  ;

 Bike(String make,String model,int year,String color,int gear)
{

 this.make=make;
 this.model=model;
 this.year=year;
 this.color=color;
 this.gear=gear;
}

void GetBike(){

System.out.println("make:"+make);
System.out.println("model:"+model);

}

void GetStructure(){
System.out.println("year:"+year);

}

void GetDep(){

System.out.println("color:"+color);
System.out.println("gear:"+gear);

}

public static void main(String[]args){

  Bike b1=new Bike("cramy","royal enfield",2020,"red",5);

  b1.GetBike();
  b1.GetStructure();
  b1.GetDep();
 }
}

Output: