Q1. Write the following method that returns the smallest element in an ArrayList: public static > E min(ArrayList list)
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Q1. Write the following method that returns the
smallest element in an ArrayList:
public static <E extends Comparable<E>> E min(ArrayList<E> list).
Step by step
Solved in 4 steps with 2 images
- Gid Write the following method that returns thesmallest element in an ArrayList:public static <E extends Comparable<E>> E min(ArrayList<E> list)..Write the following method that returns an ArrayList from a set:public static <E> ArrayList<E> setToList(Set<E> s)Q2. Write a java program to perform the following task: a) Create a collection ArrayList<String> for Customer class b) Add 5 elements into ArrayList c) Display the element at index 4 d) Display all the elements in the ArrayList using for-each loop e) Remove the values at index 2 f) Add “cst2” in location 2. g) Check if st2 existing inside the collection.
- Design a generic method 'sum' that accepts an array of any type such as int, double or float and this method will return the sum of all elements in the array. Create a test class and call 'sum twice by passing arrays of different types.If N represents the number of elements in the collection, then the contains method of the ArrayCollection class is O(1). True or False If N represents the number of elements in the list, then the index-based add method of the ABList class is O(N). True or FalseCODE IN JAVA METHOD TO FIND PAIRS IN AN ARRAY LIST THAT CAN BE MULTIPLIED TOGETHER TO GET PARAMETER Complete the method findPairs which receives an array of integers and an intand returns an ArrayList of instances of Pair (this class is available in theQuestion.java file). You should search the array for any two ints whose product(i.e. when multiplied) is equal to the int parameter. When you find a pair, createan instance of Pair and add it to the ArrayList to be returned. The order of thevariables in the constructor is irrelevant. Do not modify the Pair class. Example 1:Array contains (1, 1, 1, 2, 2, 1, 1, 1)int parameter = 4The ArrayList should contain one instance of Pair with the values (2, 2). Example 2:Array contains (1, 2, 3, 4, 5, 6, 7, 8)int parameter = 12The ArrayList should contain two instances of Pair with the values (2, 6) and(3, 4) Example 3:Array contains (1, 1, 1, 1, 1, 1)int parameter = 3The ArrayList should be empty as there are no ways to compute the product of…
- Java Program This assignment requires one project with two classes. Class Employee Class Employee Attributes (all private): id: String lastName: String firstName: String salary: int Executable Class create an array of Employee objects. create an ArrayList of Employee objects from that array. use an enhanced for loop to print all employees as shown in the sample output. create a TreeMap that uses Strings for keys and Employees as values. this TreeMap should map Employee ID numbers to their associated Employees. process the ArrayList to add elements to this map. print all employees in ID # order as shown, but do so using the TreeMap's forEach method and a lambda expressionQuestion 7: Write a method for the ArrayBoundedStack class that creates and returns a stack copy of this. (Hint: use topIndex and elements) Use following method signature: public ArrayBoundedStack<T> copy()Write a Python Code for the given constructor and conditions: Given Constructor: def __init__ (self, a) Pre-condition: Array cannot be empty. Post-condition: This is the default constructor of MyList class. This constructor creates a list from an array.
- 1. Write a generic method named array_prod() that takes an array of a generic type are returns the product of the values in the elements in the array. Make sure that the generic type extends the Number class. The Number class is defined in the java.lang package. 2. Complete the main() method to find the products of the elements in the provided arrays. Print the results in the main method using 3 decimals.Question 3. ArraysWrite a Java program that has a method called collapse() which accepts an array of integers as a parameterand returns a new array containing the result of replacing each pair of integers with the sum of thatpair. For example, if an array called list stores the values [ 7, 2, 8, 9, 4, 13, 7, 1, 9, 10 ], then the call ofcollapse(list) should return a new array containing [ 9, 17, 17, 8, 19 ]. The first pair from the originallist is collapsed into 9 (7 1 2), the second pair is collapsed into 17 (8 1 9), and so on. If the list storesan odd number of elements, the final element is not collapsed. For example, if the list had been [ 1, 2,3, 4, 5 ], then the call would return [ 3, 7, 5 ]. The collapse() method should not change the array that ispassed as a parameter.import java.util.ArrayList;import java.util.Arrays;public class PS{/*** Write the method named mesh.** Start with two ArrayLists of String, A and B, each with* its elements in alphabetical order and without any duplicates.* Return a new list containing the first N elements from the two* lists. The result list should be in alphabetical order and without* duplicates. A and B will both have a size which is N or more.* Your solution should make a single pass over A and B, taking* advantage of the fact that they are in alphabetical order,* copying elements directly to the new list.** Remember, to see if one String is "greater than" or "less than"* another, you need to use the compareTo() method, not the < or >* operators.** Examples:* mesh(["a","c","z"], ["b","f","z"], 3) returns ["a","b","c"]* mesh(["a","c","z"], ["c","f","z"], 3) returns ["a","c","f"]* mesh(["f","g","z"], ["c","f","g"], 3) returns ["c","f","g"]** @param a an ArrayList of String in alphabetical order.* @param b an…