GeezerVison is showing github.com — Java/Conversions/DecimalToHexaDecimal.java at master · estar12/Java

Expand file tree

DecimalToHexaDecimal.java

Copy path

More file actions

30 lines (27 loc) · 1.07 KB

Copy path

30 lines (27 loc) · 1.07 KB

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

class DecimalToHexaDecimal {

private static final int sizeOfIntInHalfBytes = 8;

private static final int numberOfBitsInAHalfByte = 4;

private static final int halfByte = 0x0F;

private static final char[] hexDigits = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E',

'F' };

// Returns the hex value of the dec entered in the parameter.

public static String decToHex(int dec) {

StringBuilder hexBuilder = new StringBuilder(sizeOfIntInHalfBytes);

hexBuilder.setLength(sizeOfIntInHalfBytes);

for (int i = sizeOfIntInHalfBytes - 1; i >= 0; --i) {

int j = dec & halfByte;

hexBuilder.setCharAt(i, hexDigits[j]);

dec >>= numberOfBitsInAHalfByte;

}

return hexBuilder.toString().toLowerCase();

}

// Test above function.

public static void main(String[] args) {

System.out.println("Test...");

int dec = 305445566;

String libraryDecToHex = Integer.toHexString(dec);

String decToHex = decToHex(dec);

System.out.println("Result from the library : " + libraryDecToHex);

System.out.println("Result decToHex method : " + decToHex);

}