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Convert Integer to Double
In this section, you will learn to convert an integer into a double.

Convert Integer to Double

In this section, you will learn to convert an integer into a double. The the java.lang package provides the functionality for converting an integer type data into a double.

Code Description:

This program helps you in converting an integer type data into a double. Define a class named "IntegerToDouble" for java component. Program takes an integer value at the console and it converts an integer type data into a double using the toString() method. This method returns a string representation of a double object. It converts a double into a string and also vice-versa.

Here is the code of this program:


import java.io.*;

import java.lang.*;



public class IntegerToDouble {

  public static void main(String[] args) throws IOException{

    BufferedReader buff = new BufferedReader(new InputStreamReader(System.in)); 

    System.out.println("Enter the integer value:");

    String d = buff.readLine();

    String s = new Double(d).toString();    

    System.out.println("Double:=" + s);

  }

}

Download this program:

Output of this program given below.

C:\corejava>java IntegerToDouble
Enter the integer value:
24
Double:=24.0
C:\corejava>

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Current Comments

1 comments so far (post your own) View All Comments Latest 10 Comments:

this is the case when you want to convet string int value to string double value.

To convet primitive int to primitive double following can be done

int i = 10;
double d = Double.parseDouble(Integer.toString(i));

Posted by Dipanshu on Saturday, 07.19.08 @ 03:25am | #67996

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