com.ijchart.xychart.util
Class ArrayUtil

java.lang.Object
  extended by com.ijchart.xychart.util.ArrayUtil

public abstract class ArrayUtil
extends java.lang.Object

Title: IJChart

Description: a chart library for the Java(tm) platform.

处理数组的工具类.

Copyright: Copyright (c) 2013

Company:

Version:
1.0
Author:
zhang feng min,shanghai china. Contract me by email.

Constructor Summary
ArrayUtil()
           
 
Method Summary
static double[] calculateCumulativePercentData(double[] datas)
          计算累积百分比数组.
static double[] calculateCumulativePercentData(int[] datas)
          计算累积百分比数组.
static double[] calculatePercentData(double[] datas)
          计算百分比数组.
static double[] calculatePercentData(int[] datas)
          计算百分比数组.
static double[] reverseArray(double[] arr)
          反转数组中的元素.
static int[] reverseArray(int[] arr)
          反转数组中的元素.
static java.lang.String[] reverseArray(java.lang.String[] arr)
          反转数组中的元素.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ArrayUtil

public ArrayUtil()
Method Detail

reverseArray

public static java.lang.String[] reverseArray(java.lang.String[] arr)
反转数组中的元素.

Parameters:
arr - String[] 要处理的数组 (可为null).
Returns:
String[] 反转元素后的数组.

reverseArray

public static double[] reverseArray(double[] arr)
反转数组中的元素.

Parameters:
arr - double[] 要处理的数组 (可为null).
Returns:
double[] 反转元素后的数组.

reverseArray

public static int[] reverseArray(int[] arr)
反转数组中的元素.

Parameters:
arr - int[] 要处理的数组 (可为null).
Returns:
double[] 反转元素后的数组.

calculateCumulativePercentData

public static double[] calculateCumulativePercentData(double[] datas)
计算累积百分比数组.

Parameters:
datas - double[] 要处理的数组 (可为null).
Returns:
double[]

calculateCumulativePercentData

public static double[] calculateCumulativePercentData(int[] datas)
计算累积百分比数组.

Parameters:
datas - int[] 要处理的数组 (可为null).
Returns:
double[]

calculatePercentData

public static double[] calculatePercentData(double[] datas)
计算百分比数组.

Parameters:
datas - double[] 要处理的数组 (可为null).
Returns:
double[]

calculatePercentData

public static double[] calculatePercentData(int[] datas)
计算百分比数组.

Parameters:
datas - int[] 要处理的数组 (可为null).
Returns:
double[]