public class FinalHashMap { 1 private final Map map = new HashMap(); 2 public static void main(String[] args) { 3 map.put("param1", "value1"); 4 map.put("param2","value2"); 5 map=new HashMap(); } } Answers a) Yes b) No, Compilation Error at line 3 c) No, Runtime Error d) No, Compilation Error at line 5
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public class FinalHashMap {
1 private final Map map = new HashMap();
2 public static void main(String[] args) {
3 map.put("param1", "value1");
4 map.put("param2","value2");
5 map=new HashMap();
}
}
Answers
a) Yes
b) No, Compilation Error at line 3
c) No, Runtime Error
d) No, Compilation Error at line 5
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- public class ShoppingListDriver{ public static void main(String[] args){ ShoppingList sl=new ShoppingList(3);sl.insert(null);sl.insert(new Item("Bread", "Carb Food", 2, 2.99));sl.insert(new Item("Seafood","Sea Food", -1, 10.99));sl.insert(new Item("Rice", "Carb Food",2, 19.99));sl.insert(new Item("Salad Dressings","Dessing", 2, 19.99));sl.insert(new Item("Eggs", "Protein",2, 3.99));sl.insert(new Item("Cheese","Protein", 2, 1.59));sl.insert(new Item("Eggs", "Protein",3, 3.99));sl.printNames();sl.print(); System.out.println("After removing Eggs:");sl.remove(new Item("Eggs","Protein",0,0));sl.printNames();sl.print(); }}BooksMan import java.util.HashMap; import java.util.ArrayList; class Book{ String title, ISBN; ArrayList authors; public Book (String title, String ISBN, String authors){ this.title = title; this.ISBN = ISBN; this.authors = new ArrayList(); if (authors != null) { String [] authorArray = authors.split(", "); for (int i = 0; i < authorArray.length; i++) { this.authors.add(authorArray[i]); } } } public String getISBN() { return ISBN; } public String getTitle() { return title; } public ArrayList getAuthors() { return authors; } } public class Main { public static HashMap buildMap(Book[] s) { HashMap books = new HashMap(); if (s != null) { // TODO Write the statements here: to manage each book from the parameter array reference to the hashmap } return books; } public static void main(String argv[]) { Book[] bookArray = new Book[4]; for (int i = 0; i < 4; i++) {…import java.util.HashSet; import java.util.Set; // Define a class named LinearSearchSet public class LinearSearchSet { // Define a method named linearSearch that takes in a Set and an integer target // as parameters public static boolean linearSearch(Set<Integer> set, int target) { // Iterate over all elements in the Set for () { // Check if the current value is equal to the target if () { // If so, return true } } // If the target was not found, return false } // Define the main method public static void main(String[] args) { // Create a HashSet of integers and populate integer values Set<Integer> numbers = new HashSet<>(); // Define the target to search for numbers.add(3); numbers.add(6); numbers.add(2); numbers.add(9); numbers.add(11); // Call the linearSearch method with the set…
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- import java.io.*;import java.util.stream.*; public class Solution { static class ListCell<T> { public T datum; // Data for this cellpublic ListCell<T> next; // Next cell public ListCell(T datum, ListCell<T> next) {this.datum = datum;this.next = next;}} static class LinkedList<T> { private static final String STRING = " "; Solution.ListCell<T> head; // head (first cell) of the List public LinkedList() {head = null;} public void insert(T element) {head = new ListCell<T>(element, head);} public void delete(T element) {delete(element, head);} private ListCell<T> delete(T element, ListCell<T> cell) {if (cell == null)return null;if (cell.datum.equals(element))return cell.next;cell.next = delete(element, cell.next);return cell;} public int size() {return size(head);} private int size(ListCell<T> cell) {if (cell == null)return 0;return size(cell.next) + 1;} public String toString() {return toString(head);} private String…maxLength Language/Type: Related Links: Java Set collections Set Write a method maxLength that accepts as a parameter a Set of strings, and that returns the length of the longest string in the set. If your method is passed an empty set, it should return 0. 1 9 10 Method: Write a Java method as described, not a complete program or class. N345678 2class Solution(object): def longestCommonPrefix(self, strs): result ="" for i in strs[0]: for j in strs[1]: for k in strs[2]: if i == j and i == k: result+=i if len(result) >0: return result else: return result IndexError: list index out of range for j in strs[1]: Line 5 in longestCommonPrefix (Solution.py) ret = Solution().longestCommonPrefix(param_1) Line 31 in _driver (Solution.py) _driver() Line 41 in <module> (Solution.py) can someone explain why this is wrong?
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