Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

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

public class Main {
    private static final char[] hexDigits = "0123456789abcdef".toCharArray();

    public static String hashString(String input) {
        MessageDigest md5;
        try {
            md5 = MessageDigest.getInstance("MD5");
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return String.valueOf(input.hashCode());
        }
        md5.update(input.getBytes());
        byte[] hash = md5.digest();
        return toHex(hash);
    }

    public static String toHex(byte[] arr) {
        final char[] str = new char[arr.length * 2];

        for (int i = 0; i < arr.length; i++) {
            final int v = arr[i] & 0xff;
            str[2 * i] = hexDigits[v >>> 4];
            str[2 * i + 1] = hexDigits[v & 0x0f];
        }

        return new String(str);
    }
}