Java tutorial
/* * Output: The sum is 254 */ public class MainClass { public static void main(String args[]) { String strOctal = "77"; String strHex = "23"; String strDecimal = "156"; short o = Short.parseShort(strOctal, 8); short h = Short.parseShort("23", 16); short d = Short.parseShort(strDecimal, 10); int sum = o + h + d; System.out.println("The sum is " + sum); } }