Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static String toHexString(byte[] keyData) {
        if (keyData == null) {
            return null;
        }
        int expectedStringLen = keyData.length * 2;
        StringBuilder sb = new StringBuilder(expectedStringLen);
        for (int i = 0; i < keyData.length; i++) {
            String hexStr = Integer.toString(keyData[i] & 0x00FF, 16);
            if (hexStr.length() == 1) {
                hexStr = "0" + hexStr;
            }
            sb.append(hexStr);
        }
        return sb.toString();
    }
}