copy array by Range - Android java.lang

Android examples for java.lang:array copy

  1. HOME
  2. Android
  3. java.lang
  4. array copy

Description

copy array by Range

Demo Code


//package com.java2s;
import java.lang.reflect.Array;

public class Main {
    public static <T> T[] copyOfRange(T[] original, int start, int end) {
        int originalLength = original.length; // For exception priority
                                              // compatibility.
        if (start > end) {
            throw new IllegalArgumentException();
        }//from   ww w  .  ja v a  2s.c o m
        if (start < 0 || start > originalLength) {
            throw new ArrayIndexOutOfBoundsException();
        }
        int resultLength = end - start;
        int copyLength = Math.min(resultLength, originalLength - start);
        T[] result = (T[]) Array.newInstance(original.getClass()
                .getComponentType(), resultLength);
        System.arraycopy(original, start, result, 0, copyLength);
        return result;
    }
}

Related Tutorials