Write a Java program using OOP concept that perform the union and symmetric difference between two sets. Use class, object and method in code. A = { a, b, c, e, f } B = { d, e, f, g }
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Write a Java
Use class, object and method in code.
A = { a, b, c, e, f }
B = { d, e, f, g }
Step by step
Solved in 4 steps with 2 images
- JAVA public interface Interf1 { public void repeat(String s1); } Implement the above interface using lambda to accept hello world and print ten times and implement the above interface using inner class to accept hello world and print ten timesPlease Program this in SMALLTALK Extend class Array with the method contains:. It returns true if the argument is in the array, and false if not. Use the #= binary message for comparisons. Example interaction: st> a := #(3 1 4 8 7 3). (3 1 4 8 7 3 ) st> a contains: 4. true st> a contains: 99. false Start of answer: Array extend [JAVA A Matryoshka, or Russian nesting doll is either solid or hollow. If it is hollow, it contains another doll (which can also be hollow or solid). Given the supplied Doll class, implement a recursive method named show that returns a String representing the chain for dolls, for example Natasha contains Tanya contains Peter public class Doll{ private String name; private Doll dollInside; /** * Constructs a hollow doll with the doll it contains. */ public Doll(String theName, Doll theDoll) { name = theName; dollInside = theDoll; } /** * Constucts a solid doll. */ public Doll(String theName) { name = theName; dollInside = null; } public boolean isSolid() { return dollInside == null; } public String getName() { return name; } public Doll getDollInside() { return dollInside; }} public class DollViewer{ public static String show(Doll d) { /* code goes here */ } public static void main (String [] args) { Doll dolls1 =…
- Write code in Java: -Must be recursive import java.util.*; import java.lang.*; import java.io.*; //*Analysis goes here* //*Design goes here* class AllPermutation { public static void displayPermutation(String s) { //*Code goes here* } public static void displayPermutation(String s1, String s2) { //*Code goes here* } } //*Driver class should not be changed* class DriverMain { public static void main(String args[]) { Scanner input = new Scanner(System.in); AllPermutation.displayPermutation(input.nextLine()); } }Fix the code below so that there is a function that calculate the height of the triangle. package recursion; import javax.swing.*;import java.awt.*; /** * Draw a Sierpinski Triangle of a given order on a JPanel. * * */public class SierpinskiPanel extends JPanel { private static final int WIDTH = 810; private static final int HEIGHT = 830; private int order; /** * Construct a new SierpinskiPanel. */ public SierpinskiPanel(int order) { this.order = order; this.setMinimumSize(new Dimension(WIDTH, HEIGHT)); this.setMaximumSize(new Dimension(WIDTH, HEIGHT)); this.setPreferredSize(new Dimension(WIDTH, HEIGHT)); } public static double height(double size) { double h = (size * Math.sqrt(3)) / 2.0; return h; } /** * Draw an inverted triangle at the specified location on this JPanel. * * @param x the x coordinate of the upper left corner of the triangle * @param y the y…Q1. Write a java program using recursion to find the power of a number x", where x is double and n is integer. (Hint: x"-1). Q2. Write a Java program to demonstrate autoboxing and unboxing of byte and short. (Hint:The conversion of primitive data type (for example, int) into its corresponding wrapper class(for example,Integer) is known as autoboxing and the reverse process is known as unboxing.) Q3. Write a java program to accept three strings, slas “java Programming" and s2 as "ADVANCE JAVA" s3 as "Programming concepts in Java" Find length of s3. Change sl to Upper case and s2 to Lower case. Q4. Write the class definition and draw the class diagram for the following: Class Name Bank Attributes: private: Bname, code public: Phone, city Methods public: manage, deposit, withdraw Q5. a) Write a java program to demonstrate the use of mutable objects to find the Perimeter of a rectangle using Point (10,4) .Perimeter = 2(length + breadth). b) What is the purpose of a garbage collector?
- In GO language. Create a struct that has student name, id, and GPA. Write functions to create a student, modify the student’s id, and modify the student's GPA, and print the student’s information. (This is like creating a class and methods). Now create an array of three students and test your functions. You may hardcode your values if using a web conpiler. (Please hardcode the values!)Java considers the String data type as non-primitive, because it contains a sequence of characters and hence there is a predefined class called String dedicated to String processing. The String class has a lot of functions and continues to grow. See https://www.tutorialspoint.com/java/java_strings.htm for more on strings. Your task is to then create a java program that when give a sentence will replace the first occurrence of NUST with Namibia University of Science and Technology. Sample run 1: --- Input ---Welcome to my NUST --- Expected output (text)---Welcome to my Namibia University of Science and Technology. Sample run 2: --- Input ---The nust is a great institution of high learning. --- Expected output (text)---The Namibia University of Science and Technology is a great institution of high learning. Sample run 3: --- Input ---The NuSt was renamed from Polytechnic Of Namibia under Act No. 7 of 2015. --- Expected output (text)---The Namibia University of Science and…Java considers the String data type as non-primitive, because it contains a sequence of characters and hence there is a predefined class called String dedicated to String processing. The String class has a lot of functions and continues to grow. See https://www.tutorialspoint.com/java/java_strings.htm for more on strings. Your task is to then create a java program that when give a sentence will replace the first occurrence of NUST with Namibia University of Science and Technology. Sample run 1: Enter a sentence: Welcome to my NUST. Output: Welcome to my Namibia University of Science and Technology. Sample run 2: Enter a sentence: The nust is a great institution of high learning. Output: The Namibia University of Science and Technology is a great institution of high learning.
- The union of two sets A and B is a set that contains all the elements that are in A together with all the elements that are in B. The intersection of A and B is the set that contains elements that are in both A and B. The difference of A and B is the set that contains all the elements of A except for those elements that are also in B.Suppose that A and B are variables of type set in Java. The mathematical operations on A and B can be computed using methods from the Set interface. In particular: A.addAll(B) computes the union of A and B; A.retainAll(B) computes the intersection of A and B; and A.removeAll(B) computes the difference of A and B. Write a program that can be used as a "set calculator" for simple operations on sets of non-negative integers. (Negative integers are not allowed.) A set of such integers will be represented as a list of integers, separated by commas and, optionally, spaces and enclosed in square brackets. For example: [1,2,3] or [17, 42, 9, 53,108]. The…code in java pls Summary: Given integer values for red, green, and blue, subtract the gray from each value. Computers represent color by combining the sub-colors red, green, and blue (rgb). Each sub-color's value can range from 0 to 255. Thus (255, 0, 0) is bright red, (130, 0, 130) is a medium purple, (0, 0, 0) is black, (255, 255, 255) is white, and (40, 40, 40) is a dark gray. (130, 50, 130) is a faded purple, due to the (50, 50, 50) gray part. (In other words, equal amounts of red, green, blue yield gray). Given values for red, green, and blue, remove the gray part. Ex: If the input is: 130 50 130 the output is: 80 0 80 Find the smallest value, and then subtract it from all three values, thus removing the gray.Write a C++ program that will display multiple-choice trivia questions, accept the user's answers, and provide a full key and a score at the end. Design and implement a class called Question. The Question class contains the following information: a stem (the text of the trivia question) an array of 4 multiple choice answers (the text of each possible answer) the letter of the correct answer (A, B, C, or D), called the key. This class will be used to represent trivia questions in a trivia game. The following operations should be available for Question objects (use the provided names). Construct a Question with no values (use empty strings for stem and answers and 'X' for the key). Construct a Question given its 3 components (). setStem: Set the stem question. getStem: Return the stem question. setAnswers: Set the 4 answers given an array. The answers will NOT include the letter (A, B, C, or D). getAnswer(i): Return the single answer at index i. setKey: Set the key letter. getKey:…