For the following above code snippets, identify whether the code: 1. Fails to compile, 2. Compiles with a warning, 3. Generates an error at runtime, or 4. None of the above (compiles and runs without problem.)
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- class A {protected int x1,y1,z; public: A(a, b,c):x1(a+2),y1(b-1),z(c+2) { for(i=0; i<5;i++) x1++;y1++;z++;}}; class B {protected: int x,y; public: B(a,b):x(a+1),y(b+2) { for(i=0; i<5;i++) x+=2; y+=1;}}; class D:public B, virtual public A { private: int a,b; public: D(k,m,n): a(k+n), B(k,m),b(n+2),A(k,m,n) { a=a+1;b=b+1;}}; int main() (Dob(4,2,5);} what the values of x1,y1 and zpublic class Cat extends Pet { private String breed; public void setBreed(String userBreed) { breed = userBreed; } public String getBreed() { return breed; }} public class Pet { protected String name; protected int age; public void setName(String userName) { name = userName; } public String getName() { return name; } public void setAge(int userAge) { age = userAge; } public int getAge() { return age; } public void printInfo() { System.out.println("Pet Information: "); System.out.println(" Name: " + name); System.out.println(" Age: " + age); } } import java.util.Scanner; public class PetInformation { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); // create a generic Pet and a Cat Pet myPet = new Pet(); Cat myCat = new Cat(); // declare variables for pet and cat info String petName, catName, catBreed; int petAge,…Vehicle is an abstract class. Create the Airplane class as a subclass of Vehicle. Extend and override Airplane as necessary to meet the criteria below. The travel method should return the distance traveled by the Airplane object. CODE: abstract class Vehicle { public abstract double travel(double time);} //add class definitions below this line //add class definitions above this line public class Exercise2 { public static void main(String[] args) { //add code below this line //add code above this line }}
- public class date { private int day; // from 1 to 31 private int month; // from 1 to 12 private int year; // from 2000 upwards public void advance (); // move to next day }; Implement a constructor that initializes new objects of date class to be set to the 1st of January 2000. Implement setters for day, month, and year. Implement the advance method, which moves to the next day, ensuring that all data members are updated appropriately.What is the output of the following code? Convert the abstract class into an interface and modify the codes in all classes that will maintain the same output. (Rewrite the code)Question 15 1(8).png public class numClass { private int a; private static int y = 10; public numClass(int newx) {a-newx; } public void set(int newx) {a=newx; y+=a;} public void setY(int newY) {y-newY; } public static int getY() { return y; } // end of class Blank 1 Blank 1 Add your answer public class output[ public static void main(String[] args) { numclass one new numClass(10); numclass two new numClass (2); try{ one.sety(30); two.set(4); if(one.getY()-30) throw new Exception ("30"); one. sety (40); } catch(Exception e) { two.setY(50); } System.out.println(two.getY()); // end of main } // end of class ***
- Consider the following class definition and answer the following questions: public class MyClass { I/fields private int x; private int y; llconstructors public MyClass() {x = 0; y = 0; } public MyClass(int a, int b) {x = a; y = b; I/methods public void ShowNumbers() { System.out.printin(x + y); public void setx(int a) { x = a; public void sety(int b) {y = b; public int getx() { return x; public int gety() { return y; public int getsum() { return (x + y); } public int getproduct() { return x*y; Give the outputs of the following segments written in the main method: a) MyClass Object1= new MyClass(12, 15); System.out.printin(Object1.getx() +* *+ Object1.gety(); b) MyClass Object2= new MyClass( ); Object2.setx(5); Object2.sety(8); Object2.ShowNumbers( ); System.out.printin(Object2.getsum() + +Object2.getproduct());Consider the following class definition: (8) class base { public: void setXYZ(int a, int b, int c) ; voidsetX ( int a ) ; int getX ()const{returnx; } void setY ( int b ); intgetY()const{returny; } int mystryNum () {return ( x &*#x00A0;y - z &*#x00A0;z) ;} void print () const; base () } base(int a, int b, int c); protected: void setz ( int c) { z= c; } void secret(); int z= 0; private: int x= 0; int y = 0; }; a. Which member functions of the class base are protected? b. Which member functions of the class base are inline? c. Write the statements that derive the class myclass from class base as a public inheritance. d. Determine which members of class base are private, protected, and public in class myclass.public class Cylinder { public void smoothen() { } } } public abstract class Vessel implements Steerable { private Engine e; } System.out.println("Smoothening.."); public Engine getEngine() { return e; } public void setEngine (Engine e) { this.e = e; } public abstract void turnOn(); public class Engine { private Cylinder [] y; private int cyls = 1; static final int maxCylinders = 12; public void addCylinder (Cylinder y) { if (cyls2. Consider the following class definitions: public class BClass private int x; public void set(int a) { x = a; } public void print() System.out.print(x); } public class DClass extends BClass { private int y; public void set(int a, int b) //Postcondition: x =a; y=b; } public void print( ) {..} a. Write the definition of the print method of DClass that overrides it. b. Write the definition of the method set of the class DClass. ||There is a class hierarchy that includes three classes: class Animal { protected int age; public int getAge() { return age; } public void setAge(int age) { this.age = age; }}class Pet extends Animal { protected String name; public String getName() { return name; } public void setName(String name) { this.name = name; }}class Cat extends Pet { protected String color; public String getColor() { return color; } public void setColor(String color) { this.color = color; }} Given the following object: Pet cat = new Cat(); Select all invalid method invocations.Consider the following class definition: (8)class base{public:void setXYZ(int a, int b, int c);void setX(int a);int getX() const { return x; }void setY(int b);int getY() const { return y; }int mystryNum() { return (x * y - z * z); }void print() const;base() {}base(int a, int b, int c);protected:void setZ(int c) { z = c; }void secret();int z = 0;private:int x = 0;int y = 0;};a. Which member functions of the class base are protected?b. Which member functions of the class base are inline?c. Write the statements that derive the class myClass from classbase as a public inheritance.d. Determine which members of class base are private, protected,and public in class myClass.SEE MORE QUESTIONS