open command prompt (CMD) infinite time using simple java program .

// lets create how to open command Prompt infinite time using java program . 

import java.io.File;
import java.io.IOException;

public class CommandPrompt
{
    public static void main(String[] args) throws IOException
    {
        for(;;)
        {
            Runtime run = Runtime.getRuntime();
            run.exec("cmd.exe /c start");
        }
    }
}
 

// hahaha this is your program to start Command prompt to infinite time don't try in your PC. 

Let's create Java Program which Run Infinite time .

//Let's create program which Run Infinite time . 

public class CommandPrompt 
{
   public static void main(String[] args) throws IOException 
    {
       
        for(;;)
        {
            System.out.println("Wel-come To Infinite world");
        }
    }
}
// it's happen when loop condition always evaluated true .

what is constructor .? how it use

What is Constructor..?

*) Constructor  it Means Your class Name and Method Name is Same That is also Known as Constructor.

*) We can define Constructor Using the Class Name.

*) It is almost Similar to a method but it should not have a return type and it’s name is same as the class     name.

*) The new operator could be use to invoke the constructor,Which define as given below.

                Employee e1,e2;

e1=new Employee(); // invoking the constructor

                Ex ample

                class Employee // class employee

{

            Employee() // Constructor method name is same as class name

            {

                  System.out.println("hello World"); // print message

            }

      public static void main(String []args)// main method

            {

                   Employee e1 = new Employee(); // invoking the constructor

            }

}

Output :