Java double and float and int pro

Java double

public class JavaDoubleExample

          {

public static void main(String[] args)

                    {

double = ;

double d = 1232.44;

System.out.println("Value of double variable d is :" + d);               

   }

}

Java float

import java.util.*;

public class JavaFloatExample

{

public static void main(String[] args)

{

 float = ;

float f = 10.4f;

System.out.println("Value of float variable f is :" + f);                

   }

}

Java int

public class JavaIntExamples

{

 public static void main(String[] args)

{

 int = ;

int i = 0;

int j = 100;

System.out.println("Value of int variable i is :" + i);

System.out.println("Value of int variable j is :" + j);

   }

}

Java long

  import java.util.*;

  public class JavaLongExample

  {

   public static void main(String[] args)

  {

   long = ;

   long timeInMilliseconds = new Date().getTime();

                System.out.println("Time in milliseconds is : " + timeInMilliseconds);           

          }

  }