Write a Program for Default Constructor in Java

public class MyDefaultConstructor {
   
    public MyDefaultConstructor(){
        System.out.println("I am inside default constructor...");
    }
   
    public static void main(String a[]){
        MyDefaultConstructor mdc = new MyDefaultConstructor();
    }
}

Output:

I am inside default constructor...

Write a Program for Parameterized Constructor in Java

public class MyParameterizedConstructor {

     

    private String name;

     

    public MyParameterizedConstructor(String str){

        this.name = str;

        System.out.println("I am inside parameterized constructor.");

        System.out.println("The parameter value is: "+str);

    }

     

    public static void main(String a[]){

        MyParameterizedConstructor mpc = new MyParameterizedConstructor("Madhu Raj");

    }

}

Output:

I am inside parameterized constructor.

The parameter value is: Madhu Raj