public class Main {
public static void main(String[] args) {
String decimal = "10"; // Decimal
String hexa = "0XFF"; // Hexa
String octal = "077"; // Octal
Integer number = Integer.decode(decimal);
System.out.println("String [" + decimal + "] = " + number);
number = Integer.decode(hexa);
System.out.println("String [" + hexa + "] = " + number);
number = Integer.decode(octal);
System.out.println("String [" + octal + "] = " + number);
}
}