Java Range rangeDivide(Integer begin, Integer end, Integer divideNum)

Description

range Divide

License

Open Source License

Declaration

public static Integer[][] rangeDivide(Integer begin, Integer end, Integer divideNum) 

Method Source Code

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

public class Main {
    public static Integer[][] rangeDivide(Integer begin, Integer end, Integer divideNum) {
        if (begin == null || end == null || begin >= end || divideNum == null || divideNum <= 0) {
            return null;
        }//from  w w w.  j  a  v  a 2 s . c om
        Integer[][] ranges = new Integer[divideNum][2];
        int spread = end - begin;
        for (int i = 1; i < divideNum; i++) {
            ranges[i - 1][0] = spread / divideNum * (i - 1) + begin;
            ranges[i - 1][1] = spread / divideNum * i + begin;
        }
        ranges[divideNum - 1][0] = spread / divideNum * (divideNum - 1) + begin;
        ranges[divideNum - 1][1] = spread + begin;
        return ranges;
    }
}

Related

1. rangeEquals(byte[] a, int aStart, byte[] b, int bStart, int length)
2. rangeIncludes(long x, long min, long max)
3. rangeInteger(Integer num, Integer min, Integer max)
4. rangeLimit(float value, float min, float max)