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Thread: Simple curency convertor

  1. #1
    Junior Member reddevilggg's Avatar
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    Default Simple curency convertor

    I'm a Java beginner, i'm writing a simple program to convert pounds to euros, but i would like the output answer to be rounded up to 2 significant figures, can anybody help. here is the code

    import java.util.Scanner;
    public class EuroConversion {
    public static void main(String[] args) {
    Scanner input = new Scanner (System.in);

    System.out.println("Enter the amount of pounds to convert");
    float money = input.nextInt();

    double convertion = money * 1.14;


    System.out.println("The convertion is " + convertion + " Euros");


    }
    }

    Thanks for any help.


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Simple curency convertor

    i would like the output answer to be rounded up to 2 significant figures,
    Look at the DecimalFormat class.
    And also the printf method.

  3. #3
    Junior Member shia's Avatar
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    Default Re: Simple curency convertor

    Quote Originally Posted by reddevilggg View Post
    I'm a Java beginner, i'm writing a simple program to convert pounds to euros, but i would like the output answer to be rounded up to 2 significant figures, can anybody help. here is the code

    import java.util.Scanner;
    public class EuroConversion {
    public static void main(String[] args) {
    Scanner input = new Scanner (System.in);

    System.out.println("Enter the amount of pounds to convert");
    float money = input.nextInt();

    double convertion = money * 1.14;


    System.out.println("The convertion is " + convertion + " Euros");


    }
    }

    Thanks for any help.
    Formatter (Java Platform SE 6)

  4. #4
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    Default Re: Simple curency convertor

    You could use the String.format() method. It has two parameters . The first is a format identifier, the second is the output string. The identifier starts with
    the % symbol. Then you have some optional flags, the width, the significant places, and data type. Here are some examples, and you could do some
    searching on Java's String format method: Format a String (JDK1.5) - Real's Java How-to. Also you may want to look into using a named constant for
    your conversion rate.

  5. #5
    Junior Member reddevilggg's Avatar
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    Default Re: Simple curency convertor

    Thanks everyone :-)

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    Default Re: Simple curency convertor

    package examples;

    import java.text.DecimalFormat;
    import java.util.Scanner;
    public class Main {
    public static void main(String[] args) {
    Scanner input = new Scanner (System.in);

    System.out.println("Enter the amount of pounds to convert");
    float money = input.nextFloat();

    double convertion = money * 1.14;
    DecimalFormat df=new DecimalFormat("#.##");
    System.out.println("The convertion is " + df.format(convertion) + " Euros");


    }
    }


    Use this code this will work

  7. #7
    Administrator copeg's Avatar
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    Default Re: Simple curency convertor

    Quote Originally Posted by pushpendra.saraswat@gmail View Post
    Use this code this will work
    You give no reason why the original poster should use that code, nor an explanation of what it does. Please read the forum rules and the following link:
    http://www.javaprogrammingforums.com...n-feeding.html

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