convert decimal to hexadecimal using java

Categories: Java Java Programming & Coding

package r4r.in;

public class DecimalToHexconversion {

//convert decimal to hexadecimal using java

public static void main(String[] args) {

for (int i = 1; i < 160; i++) {

System.out.println("i=" + i + " -> " + toHex(i));

}

}

public static String toHex(int decimal) {

int rem;

String hex = "";

char hexchars[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

while (decimal > 0) {

rem = decimal % 16;

hex = hexchars[rem] + hex;

decimal = decimal / 16;

}

return hex;

}

static char[] hexChar = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };

static String strHex = "";

static int num = 0;

public static String decToHex(int dec) {

if (dec != 0) {

num = dec % 16;

strHex = hexChar[num] + strHex;

dec = dec / 16;

decToHex(dec);

}

return strHex;

}

}