convert decimal tohexadecima







package stack;

import java.util.Scanner;

public class decimal2hexa extends Stack {

    String digits = "0123456789ABCDEF";

    int decimal;

    int size;

    public decimal2hexa(int n) {

        super(n);

        System.out.println("Enter nonnegative integer :");

        Scanner input = new Scanner(System.in);

        decimal = input.nextInt();

        size = 0;

    }

    /**

     * push the value to stack

     */

    public void setHex2Stack() {

        if (decimal == 0) {

            push(0);

        }

        while (decimal > 0) {

            int digit = decimal % 16;

            push(digits.charAt(digit));

            decimal = decimal / 16;

            size++;

        }

    }

    /**

     * @return hexadecimal string value

     */

    public String getHexa() {

        String h = "";

        while (!isEmpty()) {

            h = h + pop();

        }

        return h;

    }

    public static void main(String args[]) {

        decimal2hexa d = new decimal2hexa(16);

        d.setHex2Stack();

        d.print();

        System.out.println("Hexadecimal : " + d.getHexa());

        decimal2hexa d2 = new decimal2hexa(16);

        d2.setHex2Stack();

        d2.print();

        System.out.println("Hexadecimal : " + d2.getHexa());

    }

}

Output of this program :

run:
Enter nonnegative integer :
31
Contents of Stack :
F | 1 | 
Hexadecimal : 1F
Enter nonnegative integer :
256
Contents of Stack :
0 | 0 | 1 | 
Hexadecimal : 100
BUILD SUCCESSFUL (total time: 9 seconds)

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Written by sutha

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