password+salt php to java

$password = "password"; // 原始密码
$salt = "randomsalt"; // 随机生成的盐值
$hashedPassword = hash('sha256', $password . $salt); // 加盐后的密码

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class PasswordUtil {
    public static String hashPassword(String password, String salt) {
        try {
            MessageDigest md = MessageDigest.getInstance("SHA-256");
            md.update((password + salt).getBytes());
            byte[] hashedBytes = md.digest();
            StringBuilder sb = new StringBuilder();
            for (byte b : hashedBytes) {
                sb.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));
            }
            return sb.toString();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return null;
        }
    }
}