Convert the UML class diagram above into a java code with the following conditions The methods in the Pet class are abstract. Create a class called test. The main() method in the test class should create three Cat objects and two Budgie The main() method should also create indirectly an object of the Pet class. Demonstrate polymorphism in your test
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Convert the UML class diagram above into a java code with the following conditions
- The methods in the Pet class are abstract.
- Create a class called test. The main() method in the test class should create three Cat objects and two Budgie The main() method should also create indirectly an object of the Pet class.
- Demonstrate polymorphism in your test
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- In some cases, a class depends on itself. That is, an object of one class interactswith another object of the same class. To accomplish this, a method of the classmay accept as a parameter an object of the same class.The concat method of the String class is an example of this situation. Themethod is executed through one String object and is passed another String object as a parameter. Here is an example:str3 = str1.concat(str2);The String object executing the method (str1) appends its characters to thoseof the String passed as a parameter (str2). A new String object is returned asa result and stored as str3. Write java code to implement given conditionsWhich method of the class Object.class is used to determine the name of a class represented as a String? A- getClass() B- toString() c- getName() D- intern()Sentence Capitalizer Create an application with a method that accepts a string as an argument and returns a copy of the string with the first character of each sentence capitalized. For instance, if the argument is "hello. my name is Joe. what is your name?" the method should return the string "Hello. My name is Joe. What is your name?" The application should let the user enter a string and then pass it to the method. The modified string should be displayed.
- The xxx_Student class:– Name - the name consists of the First and Last name separated by a space.– Student Id – a whole number automatically assigned in the student class– Student id numbers start at 100. The numbers are assigned using a static variable in the Student class• Include all instance variables• Getters and setters for instance variables• A static variable used to assign the student id starting at 100• A toString method which returns a String containing the student name and id in the format below:Student: John Jones ID: 101 The xxx_Course classA Course has the following information (modify your Course class):– A name– An Array of Students which contains an entry for each Student enrolled in the course (allow for up to 10 students)– An integer variable which indicates the number of students currently enrolled in the course. Write the constructor below which does the following:Course (String name)Sets courseName to nameCreates the students array of size 10Sets number of…JAVA – color: String – make: String – model: String – msrp: double + Car() + Car(color: String, make: String, model: String, msrp: double) + getColor() : String + setColor(color : String ) : void + getMake() : String + setMake(make: String ) : void + getModel() : String + setModel(model: String ) : void + getMsrp () : double + setMsrp(msrp: double) : void + toString(): String The Car class will have four attributes/instance variables/fields and 11 methods. CarDealership Class The CarDealership class will simulate a real life automotive dealership. This class will create 3 Car objects and store them in an array named Lot. The class will then display all of the information pertaining to each car (color, make, model, etc.) to the User and allow the User to select one to purchase. Once the User selects a car to purchase, the Car object should be removed from the array (Lot) and another Car object should be put in its place.java code Fields and methods given Book Fields String title String author int copies Methods Book(String title,String author,int copies) Book() getTitle()String setTitle(String title) getCopies()int setCopies(int copies) toString Question create a method called destroyCopy which will decrement the copies field create a method called newCopy which will increment the copies field create method called upSize which will receive through a number representing the percentage in which the library is going to expand,this method should then return the number of copies that need to be purchased to adhire to the upsizing. put a comment in the line above these three methods destroCopy,newCopy and upsize.The comment should read Unused method.
- If you write this method for a class, Java will automatically call it any time you concatenate an object of the class with a string.a. toStringb. plusStringc. stringConvertd. concatStringWhich type of relationship is depicted between Student and School? public class Student {private String name;}public class School {Student s;} Group of answer choices Is-a There is no relationship between the two classes Has-a Kind-ofVowels and Consonants Create an application with a method that accepts a string as an argument and returns the number of vowels that the string contains. The application should have another method that accepts a string as an argument and returns the number of consonants that the string contains. The application should let the user enter a string, and should display the number of vowels and the number of consonants it contains.
- // Declare data fields: a String named customerName, // an int named numItems, and // a double named totalCost.// Your code here... // Implement the default contructor.// Set the value of customerName to "no name"// and use zero for the other data fields.// Your code here... // Implement the overloaded constructor that// passes new values to all data fields.// Your code here... // Implement method getTotalCost to return the totalCost.// Your code here... // Implement method buyItem.//// Adds itemCost to the total cost and increments// (adds 1 to) the number of items in the cart.//// Parameter: a double itemCost indicating the cost of the item.public void buyItem(double itemCost){// Your code here... }// Implement method applyCoupon.//// Apply a coupon to the total cost of the cart.// - Normal coupon: the unit discount is subtracted ONCE// from the total cost.// - Bonus coupon: the unit discount is subtracted TWICE// from the total cost.// - HOWEVER, a bonus coupon only applies if the…Define the Circle2DYourLastName class that contains: Two double data fields names x and y that specify the center of the circle withgetter methods. A double data field radius with getter method. A constructor that creates a circle with specified x, y, and radius. A method findTypeOfIntersection to determine and return types ofintersection as string (contained, overlap, or separate).Design a user class that prompts the user to enter the coordinates of the center andradius of two circles and displays the type of intersection. Allow the user to repeat yourprogram using a ConfirmDialog Box.(Difficulty Level 3)In the game Flick Fleet, players undertake space combat by flicking a six sided die at other ships. There is an object called SpaceShip, where ships have a type corresponding to: Destroyer, Cruiser, Bomber, or Fighter. This object has a method called: get_ship_type(): Returns a string that corresponds to the type of ship (e.g. "Destroyer", "Cruiser", "Bomber" or "Fighter") Each ship has different regions that have a corresponding number between 1 and 5. Fighter - Hull (1), Engines (2) Bomber - Hull (1), Engines (2), Shield Generator (3) Cruiser - Hull (1), Engines (2), Shield Generator (3), Defense Grid (4) Destroyer - Hull (1), Engines (2), Shield Generator (3), Defense Grid (4), Engineering (5) Write a function called laser_attack that takes in as its parameters a ship of type Ship, and an integer value between 1 and 6. This function should return true if the number passed in the second parameter corresponds to a region possessed by the ship…