![Question 9 0 Consider the following method. public static String[] strArrMethod(String] arr) String[] result = new String(arr](http://img.homeworklib.com/questions/5d889540-bbec-11eb-b61f-f7bf96e734f6.png?x-oss-process=image/resize,w_560)
![String[] result = new String(arr.length); for (int j = 0; j < arr.length; j++) String sm = arr[j]; for (int k = 1 + 1; k < ar](http://img.homeworklib.com/questions/5e5ec750-bbec-11eb-b1b4-dd47a922bce6.png?x-oss-process=image/resize,w_560)
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Question 9 0 Consider the following method. public static String[] strArrMethod(String] arr) String[] result = new...
Consider the following method. public static ArrayList<Integer mystery(int n) ArrayList<Integer seg - new ArrayList<IntegerO; for (int...
Consider the following method. public static ArrayList<Integer mystery(int n) ArrayList<Integer seg - new ArrayList<IntegerO; for (int k = n; k > 0; k--) seq.add(new Integer(k+3)); return seq What is the final output of the following Java statement? System.out.println(mystery(3)); a. [1,2,4,5) b. [2,3,4,5) c. [6,5,4,3] d. [7, 7, 8, 8] e. [7,8,9, 8) O Consider the following method: public static int mystery(int[] arr, int k) ifk-0) return 0; }else{ return arr[k - 1] + mystery(arr, k-1):) The code segment below is...
Consider the following code segment. int[]arr={1, 2, 3, 4, 5, 6, 7, 8}; for(int k=3; k<arr.length-1;...
Consider the following code segment. int[]arr={1, 2, 3, 4, 5, 6, 7, 8}; for(int k=3; k<arr.length-1; R++ arr[k]-arr[k+1]; What are the contents of arr as a result of executing the code segment? a. {1, 2, 3, 5, 6, 7, 8, 8) b. {2, 2, 4, 5, 6, 7, 8, 8} C. {2, 4, 6, 5, 6, 7, 8,8} d. {4, 2, 4, 4, 6, 7, 8, 8) e. {6, 6, 4, 5, 6, 7, 8, 8} int) arr={7, 2.5, 3.0,...
Consider the following Java method: public static ArrayList<Integer nums ArrayList<Integer values new ArrayList<Integer0; for(int i=10; i<30;...
Consider the following Java method: public static ArrayList<Integer nums ArrayList<Integer values new ArrayList<Integer0; for(int i=10; i<30; i-i+3) if(i%) values.add(i); return values: What is returned after the method call nums()? a. [12] b. [13] c. [14] d. [15] e. [16] O Which of the following represents the final output of the code segment below? int k: int[]A; A new int[3]: fork-0; k<A.length;k++) A[k]-A.length-k; forſk-0; k<A.length-1; k++) A[k+1]-A[k) for(int i-0;i<A.length;i++) System.out.print(A[i]+" "); a. 222 O b. 333 c. 444 d. 555 O...
Our 1st new array operation/method is remove. Implement as follows: public static boolean remove( int[] arr,...
Our 1st new array operation/method is remove. Implement as follows: public static boolean remove( int[] arr, int count, int key ) { 1: find the index of the first occurance of key. By first occurance we mean lowest index that contains this value. hint: copy the indexOf() method from Lab#3 into the bottom of this project file and call it from inside this remove method. The you will have the index of the value to remove from the array 2:...
import java.util.Arrays; public class lab { public static void main(String args[]) { int...
import java.util.Arrays; public class lab { public static void main(String args[]) { int arr[] = {10, 7, 8, 9, 1, 5,6,7}; int arr2[] = {9, 8, 7, 6, 5, 4, 3, 2, 1}; int arr3[] = {1, 3, 5, 3, 2, 6, 20}; quicksort(arr,0,arr.length-1); quicksort(arr2,0,arr2.length-1); quicksort(arr3,0,arr3.length-1); System.out.println(Arrays.toString(arr)); System.out.println(Arrays.toString(arr2)); System.out.println(Arrays.toString(arr3)); } private static int partition(int[] items,int low, int high) { int i=0; int j=0;...
Question 33 Consider the following code segment. String letters - ("A", "B", "C", "D"), ("E", "P",...
Question 33 Consider the following code segment. String letters - ("A", "B", "C", "D"), ("E", "P", "G", "1"), ("I", "J", "K", "L"}}; for (int col = 1; col < letters[0].length; col++) for (int row - 1; row < letters.length; row++) System.out.print(letterstrow][col] + " "); System.out.println(); What is printed as a result of executing this code segment? AET PJ DHL G J K L PJ GK
must provide the following public interface: public static void insertSort(int [] arr); public static void selectSort(int...
must provide the following public interface: public static void insertSort(int [] arr); public static void selectSort(int [] arr); public static void quickSort(int [] arr); public static void mergeSort(int [] arr); The quick sort and merge sort must be implemented by using recursive thinking. So the students may provide the following private static methods: //merge method //merge two sorted portions of given array arr, namely, from start to middle //and from middle + 1 to end into one sorted portion, namely,...
Consider the following code segment. ArrayList<String> towns = new ArrayList<String> (); towns.add("Baltimore"); towns.add("Bethesda"); towns.add("Wheaton"); towns.add("Greenbelt"); towns.add("Rockville");...
Consider the following code segment. ArrayList<String> towns = new ArrayList<String> (); towns.add("Baltimore"); towns.add("Bethesda"); towns.add("Wheaton"); towns.add("Greenbelt"); towns.add("Rockville"); for (int k = 1; k< towns.size(); k ++) System.out.print(towns.get(k) + " "); What is printed as a result of executing the code segment? Baltimore Bethesda Wheaton Greenbelt IndexOutOfBoundsException message Baltimore Bethesda Wheaton Greenbelt Rockville Bethesda Wheaton Greenbelt Rockville Refer to the doSomething method: public static void doSomething (ArrayList list, int i, intj) SomeType temp = list.get(i); list.set(i, list.get()); list.set(j, temp); Which best describes...
Here is the indexOf method that I wrote: public static int indexOf(char[] arr, char ch) {...
Here is the indexOf method that I wrote: public static int indexOf(char[] arr, char ch) { if(arr == null || arr.length == 0) { return -1; } for (int i = 0; i < arr.length; i++) { if(arr[i] == ch) { return i; } } return -1; ...
Consider the following mergeSortHelper method, which is part of an algorithm to recursively sort an array...
Consider the following mergeSortHelper method, which is part of an algorithm to recursively sort an array of integers. /** Precondition: (arr.length == 0 or 0 <= from <= to <= arr.length) * arr.length == temp.length */ public static void mergeSortHelper(int[] arr, int from, int to, int[] temp) { if (from < to) { int middle = (from + to) / 2; mergeSortHelper(arr, from, middle, temp); mergeSortHelper(arr, middle + 1, to, temp); merge(arr, from, middle, to, temp); } } The merge method...
Consider the following method. public static ArrayList<Integer mystery(int n) ArrayList<Integer seg - new ArrayList<IntegerO; for (int k = n; k > 0; k--) seq.add(new Integer(k+3)); return seq What is the final output of the following Java statement? System.out.println(mystery(3)); a. [1,2,4,5) b. [2,3,4,5) c. [6,5,4,3] d. [7, 7, 8, 8] e. [7,8,9, 8) O Consider the following method: public static int mystery(int[] arr, int k) ifk-0) return 0; }else{ return arr[k - 1] + mystery(arr, k-1):) The code segment below is...
Consider the following code segment. int[]arr={1, 2, 3, 4, 5, 6, 7, 8}; for(int k=3; k<arr.length-1; R++ arr[k]-arr[k+1]; What are the contents of arr as a result of executing the code segment? a. {1, 2, 3, 5, 6, 7, 8, 8) b. {2, 2, 4, 5, 6, 7, 8, 8} C. {2, 4, 6, 5, 6, 7, 8,8} d. {4, 2, 4, 4, 6, 7, 8, 8) e. {6, 6, 4, 5, 6, 7, 8, 8} int) arr={7, 2.5, 3.0,...
Consider the following Java method: public static ArrayList<Integer nums ArrayList<Integer values new ArrayList<Integer0; for(int i=10; i<30; i-i+3) if(i%) values.add(i); return values: What is returned after the method call nums()? a. [12] b. [13] c. [14] d. [15] e. [16] O Which of the following represents the final output of the code segment below? int k: int[]A; A new int[3]: fork-0; k<A.length;k++) A[k]-A.length-k; forſk-0; k<A.length-1; k++) A[k+1]-A[k) for(int i-0;i<A.length;i++) System.out.print(A[i]+" "); a. 222 O b. 333 c. 444 d. 555 O...
Question 33 Consider the following code segment. String letters - ("A", "B", "C", "D"), ("E", "P", "G", "1"), ("I", "J", "K", "L"}}; for (int col = 1; col < letters[0].length; col++) for (int row - 1; row < letters.length; row++) System.out.print(letterstrow][col] + " "); System.out.println(); What is printed as a result of executing this code segment? AET PJ DHL G J K L PJ GK
Consider the following code segment. ArrayList<String> towns = new ArrayList<String> (); towns.add("Baltimore"); towns.add("Bethesda"); towns.add("Wheaton"); towns.add("Greenbelt"); towns.add("Rockville"); for (int k = 1; k< towns.size(); k ++) System.out.print(towns.get(k) + " "); What is printed as a result of executing the code segment? Baltimore Bethesda Wheaton Greenbelt IndexOutOfBoundsException message Baltimore Bethesda Wheaton Greenbelt Rockville Bethesda Wheaton Greenbelt Rockville Refer to the doSomething method: public static void doSomething (ArrayList list, int i, intj) SomeType temp = list.get(i); list.set(i, list.get()); list.set(j, temp); Which best describes...
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