Question

How to convert binary to hexadecimal in Java

Answer 1

public class MyClass {
    public static void main(String args[]) {
        String binary = "110100011";  
        
        int n = Integer.parseInt(binary, 2);  
        
        String hex = Integer.toString(n, 16);

        System.out.println(hex);
    }
}



/*
run:

1a3

*/

 

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Answer 2

import java.math.BigInteger;

public class MyClass {
    public static void main(String args[]) {
        String binary = "110100011";  

        String hex = new BigInteger(binary, 2).toString(16);

        System.out.println(hex);
    }
}



/*
run:

1a3

*/

 

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