# 12 fill in the code to complete the following method

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12)Fill in the code to complete the following method for sorting a list.public static void sort(double[] list) {________;}public static void sort(double[] list, int high) {if (high>1) {// Find the largest number and its indexint indexOfMax=0;double max=list[0];for (int i=1; i<=high; i++) {if (list[i]>max) {max=list[i];indexOfMax=i;}}// Swap the largest with the last number in the listlist[indexOfMax]=list[high];list[high]=max;// Sort the remaining listsort(list, high-1);}}12)______
A)sort(list)B)sort(list, list.length-2)C)sort(list, list.length)D)sort(list, list.length-1)
13)Analyze the following recursive method.public static long factorial(int n) {return n * factorial(n-1);}13)______
14)Fill in the code to complete the following method for binary search.public static int recursiveBinarySearch(int[] list, int key) {int low=0;int high=list.length-1;return ________;}public static int recursiveBinarySearch(int[] list, int key,int low, int high) {if (low>high) // The list has been exhausted without a matchreturn-low-1; // Return-insertion point-1int mid=(low+high) / 2;if (key<list[mid])return recursiveBinarySearch(list, key, low, mid-1);else if (key==list[mid])
return mid;elsereturn recursiveBinarySearch(list, key, mid+1, high);}14)______A)recursiveBinarySearch(list, key, low, high)B)recursiveBinarySearch(list, key, low+1, high-1)C)recursiveBinarySearch(list, key, low-1, high+1)D)recursiveBinarySearch(list, key)15)What is the return value for xMethod(4) after calling the following method?static int xMethod(int n) {if (n==1)return 1;elsereturn n+xMethod(n-1);}15)______A)9B)12C)10D)1116)Analyze the following two programsApublic class Test {public static void main(String[] args) {xMethod(5);}
public static void xMethod(int length) {if (length>1) {System.out.print((length-1)+" ");xMethod(length-1);}}}Bpublic class Test {public static void main(String[] args) {xMethod(5);}public static void xMethod(int length) {while (length>1) {System.out.print((length-1)+" ");xMethod(length-1);}}}16)______A)The two programs produce the same output 5 4 3 2 1.B)Program A produces the output 4 3 2 1 and Program B prints 4 3 2 1 1 1....1 infinitely.C)The two programs produce the same output 4 3 2 1.D)The two programs produce the same output 1 2 3 4 5.E)The two programs produce the same output 1 2 3 4.17)

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