Java Integer to Hex intToHexString(int value)

Description

Convert an integer value into a hexadecimal representation that is long enough to contain the significant digits.

License

Open Source License

Parameter

Parameter	Description
value	The integer value to be converted

Return

The string representation of the value as a hexadecimal representation

Declaration

public static String intToHexString(int value)

Method Source Code

//package com.java2s;

public class Main {
    /**//from  w  ww. ja  v a  2s.  c  om
     * A static array of the hexadecimal digits where their position represents their ordinal value
     */
    private static final char[] HEX_DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D',
            'E', 'F' };

    /**
     * Convert an integer value into a hexadecimal representation that is long enough to contain the significant digits.
     * 
     * @param value
     *            The integer value to be converted
     * @return The string representation of the value as a hexadecimal representation
     */
    public static String intToHexString(int value) {
        StringBuffer buffer = new StringBuffer();
        int temp = value;
        do {
            int index = temp % 16;
            buffer.insert(0, HEX_DIGITS[index]);
            temp = temp / 16;
        } while (temp > 0);
        return buffer.toString();
    }
}