Question

How to convert hexadecimal to decimal, binary and octal in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        String hexadecimal = "1C";
     
        int decimal = Integer.parseInt(hexadecimal, 16);
        System.out.println("Decimal: " + decimal);
   
        String binary = Integer.toBinaryString(decimal);
        System.out.printf("Binary: %s\n", binary);
     
        String octal = Integer.toOctalString(decimal);
        System.out.printf("Octal: %s\n", octal);
    }
}




/*
run:

Decimal: 28
Binary: 11100
Octal: 34

*/

 

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