Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

public class Main {
    private final static short MAX_UNSIGNED_BYTE_VALUE = 256;

    public static byte ulongToByte(long value) throws IllegalArgumentException {
        if (value <= MAX_UNSIGNED_BYTE_VALUE) {
            if (value >= MAX_UNSIGNED_BYTE_VALUE / 2) {
                long originalComplementValue = (~(MAX_UNSIGNED_BYTE_VALUE - value)) + 1;
                return (byte) originalComplementValue;
            } else {
                return (byte) value;
            }
        } else {
            throw new IllegalArgumentException("Value out of range for a byte");
        }
    }
}