Constructor in Java

Constructor is a special type of method for create a instance of class. Constructor  name is same as class name . It has no return type . There are two types of constructor in java . These are a) Default Constructor b) Parameterized
Constructor. Here is an example

  Default Constructor :

     public class ConstDemo
      {
         ConstDemo()
          {
            System.out.print("Default Constructor");
          }
         public static void main(String[] args)
            {
                ConstDemo demo = new ConstDemo();
             }
      } 

      Output : Default Constructor

   Parameterized Constructor :

    public class ConstDemo
      {
         ConstDemo(String str)
          {
            System.out.print(str);
          }
         public static void main(String[] args)
            {
                ConstDemo demo = new ConstDemo("Parameterized Constructor");
             }
      }

    Output : Parameterized Constructor

    

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