Write a method that returns an array list of Characterfrom a string using the following header:public static ArrayList<Character> toCharacterArray(String s)For example, toCharacterArray("abc") returns an array list that containscharacters 'a', 'b', and 'c'.
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Write a method that returns an array list of Character
from a string using the following header:
public static ArrayList<Character> toCharacterArray(String s)
For example, toCharacterArray("abc") returns an array list that contains
characters 'a', 'b', and 'c'.
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- java Write a method that takes rows and columns as a parameter, and returns a 2D array of the designated size, filled with empty Strings. I currently have public static String[][] createArray(int row, int col) { String[][]arr=new String[row][col]; return arr; } but it returns the 2d array filled with null?Write a method that removes adjacent duplicates from an array list. Complete this code. import java.util.ArrayList; public class ArrayListUtil{/**Removes adjacent duplicates from an array list of strings.@param word an array list of strings*/public static void removeAdjacentDuplicates(ArrayList<String> words){. . .}}Write the following method that returns an ArrayList from a set:public static <E> ArrayList<E> setToList(Set<E> s)
- In java Write a method public static ArrayList<Integer> append(ArrayList<Integer> a, ArrayList<Integer> b) that appends one array list after another. Ex: a = 1 2 3 4 5, b = 6 7 8 9 10 then append returns 1 2 3 4 5 6 7 8 9 10Write a method that returns the union of two array lists ofintegers using the following header:public static ArrayList<Integer> union(ArrayList<Integer> list1, ArrayList<Integer> list2) For example, the addition of two array lists {2, 3, 1, 5} and {3, 4, 6} is{2, 3, 1, 5, 3, 4, 6}. Write a test program that prompts the user to enter two lists,each with five integers, and displays their union. The numbers are separated byexactly one space. Here is a sample run: Enter five integers for list1: 3 5 45 4 3 ↵EnterEnter five integers for list2: 33 51 5 4 13 ↵EnterThe combined list is 3 5 45 4 3 33 51 5 4 13FOR JAVA Write a method that takes a two dimensional integer array, and returns the number of elements in it. Note that your method should also work with nonrectangular arrays such as {{1}, {2, 3}, {4, 5, 6}}.
- The split method in the String class returns an array of strings consisting of the substrings split by the delimiters. However, the delimiters are not returned. Implement the following new method that returns an array of strings consisting of the substrings split by the matching delimiters, including the matching delimiters. public static String[] split(String s, String regex) For example, split("ab#12#453", "#") returns ab, #, 12, #, and 453 in an array of String and split("a?b?gf#e", "[?#]") returns a, ?, b, ?, gf, #, and e in an array of String.Write the following method that returns thesmallest element in an ArrayList:public static <E extends Comparable<E>> E min(ArrayList<E> list)Write the method printTail() method that accepts an array of integers and an integer index as parameters and prints all the array elements starting from the index passed. For example if printTail(x,5) is invoked, it should print all the elements of the array x starting at x[5].
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