Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static long MASK_4F = +0x7FFFFFFFFFFFFFFFl;

    public static long read(long data, int start, int len) throws Exception {
        if (start < 0 || len < 1 || start + len >= 64 || data < 0)
            throw new Exception("Invalid Param!");
        return ((data >> start) & (MASK_4F >> (63 - len)));
    }
}