which of the following is correct? public class Left{ public Left x; public void foo(){ System.out.println("Left"); } public class Middle extends Left{ public Right y; public void foo(){ System.out.println("Middle"); } } public class Right{ public Middle z;
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- (Java) Identify the true statements, select all that apply: -Setters and getters are not required for public instance variables -Every private instance variable in a class definition must have a mutator method -A getter method has the same return-type as the field it retriees and takes no paramaters -A setter method is a return-type void and takes a parameter of tehe same type as its fieldExplain the following code.public class A{public void m(){System.out.println("Inside class A");}}public class B extends A{public void m(){System.out.println("Inside class B");}}public class StaticMethodTest{public static void main(String args[]){A ra1 = new A();A ra2 = new B();B rb = new B();ra1.m();ra2.m();rb.m();System.out.println();ra1 = ra2;ra1.m();System.out.println();//A.m();//B.m();}}Help me out with this java problem. Given partial codes of the Colored interface and Point class as the following: //Colored interface public interface Colored{ public String getColor(); } //Point class public class Point { private int x; private int y; public Point() { this(0, 0); } public Point(int x, int y) { setLocation(x, y); } public boolean equals(Object o) { if (o instanceof Point) { Point other = (Point) o; return x == other.x && y == other.y; } else { return false; } } public void setLocation(int x, int y) { this.x = x; this.y = y; } public String toString() { return "(" + x + ", " + y + ")"; } } Write ColoredPoint class, so that implements the Colored interface and extends Point so that Points have colors. Override toString method to print out the coordinates and color of the point, override the equals method…
- use Java. Given the following class. public class FamilyMember { public String drink( ) {return “cup”;} public String eat( ) {return “fork”;} } Write a Baby class that is derived from the FamilyMember class. The Baby class has an instance variable for the age, a default constructor, and a constructor that accepts an integer. Include any other necessary methods. If a baby is older than 3 years, print that “it eats with its fork”; otherwise, “it eats with its hands”.I am getting errors at the class names package sullivan13;import java.text.NumberFormat; public abstract class Automobiles implements Comparable<Automobiles>{ //Variables private String model; private String make; private int year; private double price; //Constructor public Automobiles(String make ,String model, int year, double price) { this.make = make; this.model = model; this.year = year; this.price = price; } //Getters public String getMake() { return make; } public String getModel() { return model; } public int getYear() { return year; } public double getPrice() { return price; } //Overrider public void display() { System.out.println(this.model+" " +this.year+" "); } //Overrider @Override //CompareTO public String toString() { NumberFormat formatter = NumberFormat.getCurrencyInstance();…Consider the following three Java classes: public abstract class Toy {public void makeNoise() { System.out.println("DEFAULT SOUND"); }} public class Doll extends Toy {public void makeNoise() { System.out.println("Mama!"); }}public class ToyRobot extends Toy {private int volume; public ToyRobot() { this.volume = 5; } public void makeNoise() { System.out.println("BEEP"); } public int getVolume() { return volume; } public void setVolume(int volume) { this.volume = volume; }} Given these classes, determine what will be printed when each of the code snippets below are copied into the following main method at the indicated location. public static void main(String[] args) { Toy toy; Doll doll; ToyRobot robot1; ToyRobot robot2; doll = new Doll(); robot1 = new ToyRobot(); robot2 = robot1; toy = robot1; // INSERT CODE HERE. } A) doll.makeNoise(); ["", "", "", ""] B) toy.makeNoise(); ["", "", "", ""] C)…
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- Provide the fixed code only, no explanation needed. import java.util.Scanner; enum Type {Equilateral, Isosceles, Scalene, NotTriangle} class PossibleTriangle{ private int a; private int b; private int c; private Type pt; //default constructor public PossibleTriangle() { } //Mutator method public void setInfo (int a, int b, int c, Type pt) { this.a = a; this.b = b; this.c = c; pt = getType(); } //This method tests whether it is a triangle //Return true if it is, false otherwise private static boolean isTriangle(int a, int b, int c) { if ((a + b > c) && (b + c > a) && (c + a > b) && (a > 0 && b > 0 && c > 0)) return true; else return false; } public Type getType() { if (isTriangle(a, b, c)) { if(a == b && b == c && c == a) { return Type.Equilateral; } else if (a == b || b == c…A java program, with a class Rectangle with attributes length and width , each of which defaults to 2. Providemethods that calculate the rectangle’s perimeter and area. It has set and get methods for bothlength and width . The set methods should verify that length and width are each floating-pointnumbers larger than 10.0 and less than 40.0. Write a program to test class Rectangle .what is the problem with the following code. Give reason for your answer. public class MyClass\{ public static void main(String[] args) \{ int n[]={1,3,5,6} ; int b[]; b=n; \} \}