Android examples for java.lang:array
add Item to array by index
//package com.java2s; import java.lang.reflect.Array; public class Main { public static <T extends Object> T[] addItem(T[] array, T item, int index) { int size = array == null ? 0 : array.length; if (index < 0 || index > size) index = size;//from w w w .j a v a 2 s.co m @SuppressWarnings("unchecked") T[] result = (T[]) Array.newInstance(item.getClass(), size + 1); if (index > 0 && array != null) System.arraycopy(array, 0, result, 0, index); result[index] = item; if (index < result.length - 1 && array != null) System.arraycopy(array, index, result, index + 1, array.length - index); return result; } }