A constructor is a special method in Java that creates and initializes an object.
It has the same name as the class.
It does not have a return type.
It is called automatically when you create an object using new.
To give the object its initial values.
To make sure the object is ready to use right after creation.
Types of Constructors in Java
1.Default Constructor
A no-argument constructor created automatically by Java if no other constructor is defined.
class Dog {
Dog() {
System.out.println("Dog is created");
}
}
2.Parameterized Constructor
Allows passing values at the time of object creation.
class Dog {
String name;
Dog(String dogName) {
name = dogName;
}
}
You can define multiple constructors with different parameters in the same class:
class Car {
Car() {
System.out.println("Default Car");
}
Car(String model) {
System.out.println("Car Model: " + model);
}
}
