将十六进制数转换为十进制数

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public class Main {

 

        public static void main(String[] args) {

               

                //declare string containing hexadecimal number

                String strHexNumber = "20";

               

                int decimalNumber = Integer.parseInt(strHexNumber, 16);

                System.out.println("Hexadecimal number converted to decimal number");

                System.out.println("Decimal number is : " + decimalNumber);

               

        }

}