Iowa State University Java Method Program
Question Description
I’m working on a programming question and need an explanation and answer to help me learn.
/**
* Inserts one array into another at the given position. Existing elements are
* shifted to the right. For example, if arr is [10, 20, 30, 40, 50, 60], pos is
* 1, and toInsert is the array [101, 102, 103], then after calling this method,
* arr contains [10, 101, 102, 103, 20, 30]. If pos plus the length of toInsert
* exceeds the length of arr, the extra elements of toInsert are ignored. If pos
* is out of range, the method does nothing.
*
* @param arr given array to be modified
* @param pos starting insert position
* @param toInsert elements to be inserted
*/
public static void insertArray(int[] arr, int pos, int[] toInsert) {
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