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Predict the output of the following code : 12.[9 points] The following question consists of 3...
Java. What is the output of this code? Ace.java public class Ace { private double a; public Ace ( double x) { a = x; } public void multiply (double f) { a *= x; } public String toString () { return String.format ("%.3f", x); AceDem.java public class AceDemo { public static void main(String args[]) { Ace card = new Ace (2.133); card.multiply (.5); System.out.println (card); } }
CSCI-2467 Lab 11 – Refactor LinkedList Application to use Generics Background The code consists of three files that implement and use a simple linked list. The code was written in early Java-style using the Object class in order to allow the linked list to be a list of objects of any type. While the code works, it is not type-safe. Refactor the code to use Java Generics. You will need to change the Main class to create a linked list...
I need the following code to keep the current output but also include somthing similar to this but with the correct details from the code. Truck Details: Skoda 100 Nathan Roy 150.5 3200 Details of Vehicle 1: Honda, 5 cd, owned by Peter England Details of Vehicle 2: Skoda, 100 cd, owned by Nathan Roy, 150.5 lbs load, 3200 tow --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- class Person { private String name; public Person() { name="None"; } ...
Saw this code online an im trying to understand each step. Can someone add comments to this ? package javaapplication5; interface PairInterface<String>{ void setFirst(String first); void setSecond(String second); String getFirst(); String getSecond(); } class BasicPair<String> implements PairInterface{ String first; String second; BasicPair(String first,String second){ this.first=first; this.second=second; } @Override public String getFirst() { return first; } @Override public String getSecond() { return second; } @Override public void setFirst(Object first ) { this.first=(String)first; } @Override public void setSecond(Object second) { this.second=(String)second;...
I need help with my java code i am having a hard time compiling it // Cristian Benitez import java.awt.Color; import java.awt.Graphics; import java.util.ArrayList; import javax.swing.JPanel; Face class public class FaceDraw{ int width; int height; int x; int y; String smileStatus; //default constructor public FaceDraw(){ } // Getters and Setters for width,height,x,y public int getWidth(){ return width; } public void setWidth(int width){ this.width=width; } public int getHeight(){ return height; } public void setHeight(int height){ this.height=height; } public int getX(){ return...
12. Predict the output generated at the marked println lines in the following program. The program makes use of the class Employee that is also given. Please enter your answers in the space provided below the code. public class Employee { private String name; private double salary; public Employee(String name, double salary) { this.name = name; this.salary = salary; } public String getName() { return name; } public double getSalary() { return salary; } public void raiseSalary(double percent) { double...
Can the folllowing be done in Java, can code for all classes and code for the interface be shown please. Modify the GeometricObject class to implement the Comparable interface and define a static max method in the GeometriObject class for finding the larger of two GeometricObject objects. Write a test program that uses the max method to find the larger of two circles, the larger of two rectangles. The GeometricObject class is provided below: public abstract class GeometricObject { private...
Override toString() for the class HighScores. It should return a String that contains all of the high scores in entries, formatted nicely. Note that toString is already implemented for the Score class. Then, write a driver program (in a file named Main.java) that thoroughly tests HighScores (i.e. add and remove scores from the list, add scores to an already full list, make sure the list remains sorted, etc). Score.java public class Score { protected String name; // name of the...
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Use the classes given in the previous question and write the output tha t is generated when this program is run. You may write your answer as "Elaine 2 Jerry 1" or "Compiler Error" or "Runtime Error" If there is an error then explain why. public class Main{ public static void main(String args[]){ Object o = new Kramer(); ((George)(o)).method1(); ((Jerry)(o)). method1(); 0.method2(); public class George extends Elaine {! public void method1() { System.out.print("George 1 "); public class Jerry {...
//MultiValuedTreeMap.java import java.util.Iterator; import java.util.LinkedList; import java.util.TreeMap; //import java.util.ArrayList; public class MultiValuedTreeMap<K, V> extends TreeMap<K, LinkedList<V>> implements Iterable<Pair<K, V>> { private static final long serialVersionUID = -6229569372944782075L; public void add(K k, V v) { // Problem 1 method // empty linked list, with key=k if (!containsKey(k)) { put(k, new LinkedList<V>()); } // adding v to the linked list associated with key k get(k).add(v); } public V removeFirst(K k)...