Use a wrapper classes to parse the following strings, and store them in variables of the appropriate primitive data type.
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Use a wrapper classes to parse the following strings, and store them in variables of the appropriate primitive data type.
For example:
int i = Integer.parseInt("100");
The strings to parse:
"false"
"35.5"
"15"
"true"
When complete, please post the java code into this post.
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- Please implement in Java implement a keyed bag in which the items to be stored are strings (perhaps people’s names) and the keys are numbers (perhaps Social Security or other identification numbers). So, the in- sertion method has this specification: public void insert(String entry, int key);// Precondition: size( ) < CAPACITY, and the // bag does not yet contain any item// with the given key.// Postcondition: A new copy of entry has// been added to the bag, with the given key. When the programmer wants to remove or retrieve an item from a keyed bag, the key of the item must be specified rather than the item itself. The keyed bag should also have a boolean method that can be used to determine whether the bag has an item with a specified key. In a keyed bag, the pro- grammer using the class specifies a particular key when an item is inserted. Here’s an implementation idea: A keyed bag can have two private arrays, one that holds the string data and one that holds the corresponding…How do I create this in Java? Create the class Employee with int id, String name, double salary and int numberOfDependents asprivate attributes. Add the Setters and Getters for each of those attributes, and override the toStringmethod to print an employee in the format [id,name,net salary], where: Net salary = salary*0.91 + (numberOfDependent *0.01*salary) In this program, two employee objects are equal when they have the same net salary. For that,override the equals method (the one inherited from Object) so that emp1.equals(emp2) is true whenemp1 and emp2 are two employee objects that are equal. In the main method, declare list to be an ArrayList of type Employee, and add at least 3 employees. Sortand print the list in ascending order (with respect to the net salary). The code may use the Java sortstatic method from the Collections class. If so, you may either implement the Java Comparable interfaceor the Java Comparator interface. Below can be used as the code of your main method:…Where can you find MIN_VALUE and MAX_VALUE constants? Java doesn't have constants In StringTokenizer class In primitive data types In wrapper classes
- Write in Java Prompt the user for a string that contains two strings separated by a comma. Examples of strings that can be accepted: Jill, Allen Jill , Allen Jill,AllenCan you implement the Student class using the concepts of encapsulation? A solution is placed in the "solution" section to help you, but we would suggest you try to solve it on your own first. You are given a Student class in the editor. Your task is to add two fields: ● String name ● String rollNumber and provide getter/setters for these fields: ● getName ● setName ● getRollNumber ● setRollNumber Implement this class according to the rules of encapsulation. Input # Checking all fields and getters/setters Output # Expecting perfectly defined fields and getter/setters. There is no need to add constructors in this class.Implement the design of the Pizza class so that the following output is produced:[Your code should work for any number of parameters added in the set_toppings_info method]# Write your codes here.print("Pizza Count:", Pizza.pizza_count)print("=======================")p1 = Pizza("Chicken")p1.set_toppings_info(25, 1, 4, 0)p1.display()print("------------------------------------")p2 = Pizza("Olives")p2.set_toppings_info(15, 1.5, 0, 0)p2.display()print("------------------------------------")p3 = Pizza("Sausage")p3.set_toppings_info(50, 5, 2, 0)p3.display()print("=======================")print("Pizza Count:", Pizza.pizza_count)Output:Pizza Count: 0=======================Toppings: Chicken25 calories1 g fat4 g protein0 g carbs------------------------------------Toppings: Olives15 calories1.5 g fat0 g protein0 g carbs------------------------------------Toppings: Sausage50 calories5 g fat2 g protein0 g carbs=======================Pizza Count: 3
- Implement a toString method for the following class that returns a string containing the class name and the names and values of all instance variables.PLEASE READ THE PICTURE BEFORE DOING THIS.Java Code for Movie (I Need a class for Documentary, DocumentarySeries, and Test Documentaries. ALL IN JAVA) Movie code from previous HW: import java.util.Scanner;class Movie {private String name;private String mipaaRating;private int terrible;private int bad;private int ok;private int good;private int great;public Movie(String name, String mipaaRating) {this.name = name;this.mipaaRating = mipaaRating;this.terrible = 0;this.bad = 0;this.ok = 0;this.good = 0;this.great = 0;}//Adding the ratings for Terrible to Excellent ratingpublic void addRating(int rating) {if (rating >= 1 && rating <= 5) {switch (rating) {case 1:this.terrible++;break;case 2:this.bad++;break;case 3:this.ok++;break;case 4:this.good++;break;case 5:this.great++;break;}}}// Finds the average for every single rating when givenpublic double getAverage() {int total = this.terrible + this.bad + this.ok + this.good + this.great;if (total == 0) {return 0;} else {double…Write a program that prompts the user to enter adecimal number and displays the number in a fraction. (Hint: read the decimalnumber as a string, extract the integer part and fractional part from the string,and use the BigInteger implementation of the Rational class in Programming to obtain a rational number for the decimal number.) Here are somesample runs: Enter a decimal number: 3.25 ↵EnterThe fraction number is 13/4 Enter a decimal number: –0.45452 ↵EnterThe fraction number is –11363/25000
- I need to write a program which allows me to input "3 Joe,123-5432 Linda,983-4123 Frank,867-5309 Frank" and output "867-5309". This is the code I have so far..." import java.util.Hashtable;import java.util.Scanner; public class Main {public static void main(String[] args) {// initialize Scanner classScanner sc = new Scanner(System.in);// initialize Hashtable// <String, String> tells java that both key and value will be of type StringHashtable<String, String> my_dict = new Hashtable<>(); // get the count of records to be entered// 1st part of the inputint n = sc.nextInt(); // execute for loop n times// 2nd part of the inputfor (int i = 0; i < n; i++) {// get a record from the user. example: Linda,983-4123String s = sc.next();// split the string on comma to get the name and code in an arrayString[] details = s.split(",");// get the nameString name = details[0];// get the codeString code = details[1]; // put the record in the dictionary// here name is key and code is…What is the output of the following Java code? ArrayList<String> names = new ArrayList<>(); names.add("James"); names.add("Mary"); names.add("Henry"); names.add("George"); names.add("Mary"); names.add("John"); names.add("Zachery"); Set names_wo_duplicate = new HashSet(names); Iterator set_val = names_wo_duplicate.iterator(); while(set_val.hasNext()) System.out.print(set_val.next() + ", "); Group of answer choices James, George, John, Zachery, Henry, Mary James, Mary, Henry, George, John, Zachery None of the above Code does not compile because of syntax errorsHi, can i please get assistance with the following Java class to read data below? Add anything relevant if needed only. The author and book classes is given if it is needed. As well as, the sample data file. public class Author { private String name; public Author (String name){ this.name= name; } public String toString(){ return name; } public boolean equals(Object obj){ return this.toString().equals(obj.toString()); } public int hashCode(){ return name.hashCode(); } } import java.util.*; public class Book { private String title;private double averageRating;private String ISBN;private int numPages;public Set<Author> authors;public Book(){authors=new HashSet<>(); //initialise authors}public Book(String title, double averageRating, String isbn, int numPages){this.title = title;this.averageRating = averageRating;this.ISBN = isbn;this.numPages = numPages;authors=new HashSet<>(); //initialise authors}//accessorspublic String getTitle(){return title;}public double…