[Question] Decimal to Hexadecimal

Question

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Decimal to Hexadecimal conversion.

Solution

Convert binary to hex as a group of 4 bits.

Read code.

Code

written by me

private final char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7',
        '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
private final int flag = 0x0F;

public String decToHex(int dec) {
    char[] hex = new char[8];
    for (int i = 7; i >= 0; i--) {
        int oneDigit = flag & dec;
        dec >>= 4;
        hex[i] = hexDigits[oneDigit];
    }
    return String.valueOf(hex);
}