Constructors in Java - Types & Examples

What is a Constructor?

A constructor is a special method used to initialize objects. It is called when an object of a class is created.

Rules:

Method name must match Class name.

Must have no return type (not even void).

Can accept parameters.

public class MyClass {
    int x;
    // Constructor
    public MyClass() {
        x = 5;
    }
    public static void main(String[] args) {
        MyClass myObj = new MyClass(); // Constructor called
        System.out.println(myObj.x); // Outputs 5
    }
}