package com.wgtgt.utils;

public class MutilThreadUtil {
	public static void main(String[] args) {
		int fileLength=55;
		int countThread=5;
		int[][]nums=split(fileLength,countThread);
		print(nums);
		System.out.println("fileLength="+fileLength);
		System.out.println("countThread="+countThread);
	}
	public static int[][]split(int fileLength,int countThread){
		int everyLength;
		everyLength=fileLength/countThread;
		int shengyu=fileLength-everyLength*countThread;
		int[][]result=new int[countThread][2];
		int cursor=0;
		for (int i = 0; i < countThread; i++) {
			result[i][0]=cursor;
			cursor+=everyLength-1;
			if(shengyu-->0){
				cursor+=1;
			}
			result[i][1]=cursor;
			cursor++;
		}
		return result;
	}
	public static void print(int[][]nums){
		for (int i = 0; i < nums.length; i++) {
			System.out.println(i+"\t"+nums[i][0]+"\t"+nums[i][1]+"\t"+(nums[i][1]-nums[i][0]+1));
		}
	}

}