node sha256转换为java

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

public class SHA256Example {
    public static void main(String[] args) {
        String input = "Hello, World!";
        String sha256Hash = getSHA256Hash(input);
        System.out.println("SHA-256 Hash: " + sha256Hash);
    }

    public static String getSHA256Hash(String input) {
        try {
            MessageDigest messageDigest = MessageDigest.getInstance("SHA-256");
            byte[] hashBytes = messageDigest.digest(input.getBytes());
            StringBuilder stringBuilder = new StringBuilder();
            for (byte hashByte : hashBytes) {
                stringBuilder.append(Integer.toString((hashByte & 0xff) + 0x100, 16).substring(1));
            }
            return stringBuilder.toString();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return null;
        }
    }
}