Need dry run for the following code in java language This question is from the book absolute java 5th edition by savitch w mock k Ch 13 question 10
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Need dry run for the following code in java language
This question is from the book absolute java 5th edition by savitch w mock k
Ch 13 question 10
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Solved in 2 steps
- In C++ class rectangleType { public: void setLengthWidth(double x, double y); //Sets the length = x; width = y; void print() const; //Output length and width double area(); //Calculate and return the area of the rectangle (length*width) double perimeter(); //Calculate and return the perimeter (length of outside boundary of the rectangle) private: double length; double width; }; Set the length of the rectangle to 24 and the width to 30.In C++ class rectangleType { public: void setLengthWidth(double x, double y); //Sets the length = x; width = y; void print() const; //Output length and width double area(); //Calculate and return the area of the rectangle (length*width) double perimeter(); //Calculate and return the perimeter (length of outside boundary of the rectangle) private: double length; double width; }; Print out the area of the rectangle.public class Geometry{public static void main(String[] args){//asks for user's choice Scanner in = new Scanner(System.in);displayMenu();selectOption(choice);System.out.println("Enter your choice (1-3): ");int choice1 = in.nextInt();System.out.println("Thanks for using the Geometry Calculator - Goodbye!");//Prints if input is a number that is not one of the choiceswhile(choice1 < 1 || choice1 > 3 ){System.out.println("Invalid choice. Please enter 1 - 3: ");choice1 = in.nextInt();}}/**Displays the menu*/public static void displayMenu(){System.out.println("Welcome to the Geometry Calculator Application");System.out.println("1. Calculate the Area of a Circle");System.out.println("2. Calculate the Area of a Rectangle");System.out.println("3. Calculate the Area of a Triangle");}/** This method calculates the area of the circle@return the area of the circle*/public static double circle()// calculates the area of the circle{Scanner in = new Scanner(System.in);System.out.println("What is…
- public void foo4() { String s2 = "smith"; String s3 = s2; String s4 = null; String s5 = ""; String só = new String(s2); if(s2 == s3) { System.out.print("1"); } if(s2.equals(s3)) { System.out.print("2"); } if(s2 == s6) { System.out.print("3"); } if(s2.equals(s6)) { System.out.print("4"); } if(s5 == s4) { System.out.print("5"); } if(s4.equals(s5)) { System.out.print("6"); } 3//end of foo4() Examine and trace the method foo4() above, which statement IS true? O The method will print out "356" on screen. The method will print out "1234" on screen. The method will print out "123" on screen. The method will print out "124" on screen.public class Polygon { private double sideLength; private int sides; private String shape; public double getArea () { int n sides; double a sideLength; return ((a * a * n) / (4 * Math.tan((180 / n) 3.14159 / 180))); public void setPolygon (double sl, int sd, String sh) { sides-sd; sideLength-sl; shape=sh; public Polygon (double sl, int sd, String sh) ( sides-sd; sideLengthsl; shape=sh; public String getShape () { return (shape); } public int getSides () { return (sides); } public double getLength () { return (sideLength); } Write a static method named find that takes as a parameter an array of type Polygon named list. The method should print the shapes of each polygon that has an area greater than 500 and return their count. The method prototype is public static int find (Polygon [] list); Note: assume the array is already declared, populated with data in the main method and ready to be used.Computer Science if (e.pane.length > 1){ZayTestControl. size = newSize(TestControl.width,e.Panes[1].lSize.Height--DiffInPaneControlsize); if(Now > TestControl.Size.Height){ZayTestcontrol.Location = new Point(0, TestControl.Location.Y +_DiffInPaneControlSize); } } what is this code doing C# windows form? please write comments
- Java: ShowStudent.java: class ShowStudent { public static void main (String args[]) { Student pupil = new Student(); pupil.setIdNumber(234); pupil.setPoints(47); pupil.setHours(15); pupil.showIdNumber(); pupil.showPoints(); pupil.showHours(); System.out.println("The grade point average is " + pupil.getGradePoint()); } } ShowStudent2.java: class ShowStudent2 { public static void main (String args[]) { Student pupil = new Student(); pupil.showIdNumber(); pupil.showPoints(); pupil.showHours(); System.out.println("The grade point average is " + pupil.getGradePoint()); } } Student.java: class Student { // the private data members private int idNumber; private int hours; private int points; // Constructor added in part c Student() { } // end of constructor added in part c // the public get and set methods public void…Complete the missing line of code: public class Rectangle { private int width; private int height; public Rectangle( this.width = width3B %3D this.height = height; %3DExercise 2: The intersection method computes the intersection of two rectangles- that is, the rectangle that would be formed by two overlapping rectangles if they were drawn, as shown at right. You call this method as follows: Rectangle r3 = r1.intersection (r2); Write a program IntersectionPrinter that constructs two rectangle objects, prints them as described in Exercise 1, and then prints the rectangle Intersection object that describes the intersection. Then the program should print the result of the intersection method when the rectangles do not overlap. Add a comment to your program that explains how you can tell whether the resulting rectangle is empty. The random class implements a random number generator, which produces sequences of numbers that appear to be random. To generate random integers, you construct an object of the Random class, and then apply the nextInt (50) gives you a random number between 0 and 49. Use the Random class to construct the two rectangle objects.
- PLEASE HELP ME! ? Maximize and use alternative method to this code! package com.btech.pf101; import java.io.bufferedreader; import java.io.inputstreamreader; import java.util.calendar; import java.util.date; public class pawnshopcode { private static final bufferedreader br = new bufferedreader(new inputstreamreader(system.in)); private static string name; private static int age; private static string address; private static string contactno; private static int itemtype; private static string itemtypename; private static final int itemtype_gagdet = 1; private static final int itemtype_jewelry = 2; private static final int itemtype_musicinstrument = 3; private static final int itemtype_homeequipment = 4; private static final int itemtype_landtitle = 5; private static string itemdescription; private static int periodtype; private static string periodtypename; private static final int periodtype_days = 1; private…JAVA CODE PLEASE THANK YOU Rectangle by CodeChum Admin A rectangle can be formed given two points, the top left point and the bottom right point. Assuming that the top left corner of the console is point (0,0), the bottom right corner of the console is point (MAX, MAX) and given two points (all "x" and "y" coordinates are positive), you should be able to draw the rectangle in the correct location, determine if it is a square or a rectangle, and compute for its area, perimeter and center point. To be able to do this, you should create a class for a point (that has an x-coordinate and a y-coordinate). Also, create another class called Rectangle. The Rectangle should have 2 points, the top left and the bottom right. You should also implement the following methods for the Rectangle: display() - draws the rectangle on the console based on the sample area() - computes and returns the area of a given rectangle perimeter() - computes and returns the perimeter of a given rectangle…Java code; object oriented program; private static void Togrid(source s) { grid g1 = new grid("s"); grid g2= new grid("between"); layout b= new layout("press"); s.addObject(g1);s.addObject(g2);s.addObject(b); Using above test program(is added after following feature is implanted); How to write a code of instance method type void with parameter of "Source s" that adds object into array. public void addObject(Source c){} Using above method, how to code an instance method of type Object[] without parameter that returns new array with object that was added into array. public Object[] getObject(){}