One of my friend was looking for a Java program which can convert the given number of any base to any desired base number. So I thought to write a simple program for this.
First create a class "conversion"
public class conversion{} |
Create the main method and get the user inputs using scanner.
public class conversion{ public static void main(String[] args) {
System.out.println("Enter the number");
Scanner marut= new Scanner(System.in);
String number=marut.nextLine();
System.out.println("Enter the Base of the number");
int fromBase = marut.nextInt();
System.out.println("Enter the Base to convert");
int toBase = marut.nextInt();
}
} |
In above main method, we get the number with the base which we want to convert.
Number is read in
String number=marut.nextLine();
And we get the base of this number using
int fromBase = marut.nextInt();
As this will be a whole number, we consider it as integer.
Similarly we get the base to which this number has to be converted to using
int toBase = marut.nextInt();
Now create another method called as "convertFromBaseToBase" which actually converts the number.
public static String convertFromBaseToBase(String str, int fromBase, int toBase){
//Convert from one base to other
return Integer.toString(Integer.parseInt(str, fromBase), toBase);
}
|
This method the number to be converted from base and to base as the arguments and returns the converted value in string.
Below is the code which does the trick:
Integer.toString(Integer.parseInt(str, fromBase), toBase)
Now in the main method we call this method to get the converted value and then print the result
String result=convertFromBaseToBase(number,fromBase,toBase);
System.out.println("Converted value is: "+result);
|
the whole program looks like this:
package com.chapter2;
import java.util.Scanner;
public class conversion {
/**
* @param args
*/
public static void main(String[] args) {
System.out.println("Enter the number");
Scanner marut= new Scanner(System.in);
String number=marut.nextLine();
System.out.println("Enter the Base of the number");
int fromBase = marut.nextInt();
System.out.println("Enter the Base to convert");
int toBase = marut.nextInt();
String result=convertFromBaseToBase(number,fromBase,toBase);
System.out.println("Converted value is: "+result);
}
public static String convertFromBaseToBase(String str, int fromBase, int toBase){
//convert from one base to another
return Integer.toString(Integer.parseInt(str, fromBase), toBase);
}
}
|
You can run this program and the result is as shown below:
That's it. You can download this program here
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