Given the following code (where the function FunTest() and the main method are inside one class in the same file where classes X, Y and Z are), predict what is the output?
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IN JAVA
Given the following code (where the function FunTest() and the main method are inside one class in the same file where classes X, Y and Z are), predict what is the output?
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- JAVA Language Caesar Shift Question: Modify the Caesar class so that it will allow various sized shifts to be used, instead of just a shift of size 3. (Hint: Use an instance variable in the Caesar class to represent the shift, add a constructor to set it, and change the encode method to use it.) import java.util.*; public class TestCipher { public static void main(String[] args) { int shift = 7; Caesar caesar = new Caesar(); String text = "hello world"; String encryptTxt = caesar.encrypt(text); System.out.println(text + " encrypted with shift " + shift + " is " + encryptTxt); } } abstract class Cipher { public String encrypt(String s) { StringBuffer result = new StringBuffer(""); // Use a StringBuffer StringTokenizer words = new StringTokenizer(s); // Break s into its words while (words.hasMoreTokens()) { // For each word in s…6. class PPP int H: protected : int S; public : void input (int); void out (); }; class Q0Q : private PPP int T; protected : int U; public : void indata (int, int); void outdata (); }; class RRR : public Q0Q int M; public : void disp (); }; int main () 002 objl; RRR obj2; return 0; a. In the above code, is the member function out() accessible by obj1? b. Name the member function(s), which can be accessed from the obj2? c. Name the data member(s) that can be accessed from function disp().class Vehicle{String s = "This is my vehicle" ;}class Car extends Vehicle{String s = "This is my car" ;{System.out.println( super .s);}} class Truck extends Car{String s = "This is my truck" ;{System.out.println( super .s);}}public class MainClass{public static void main(String[] args){Truck t = new Truck ();System.out.println(t.s);}}
- QUESTION 15 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 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 class26. Assume the declaration of Exercise 24. A. Write the statements that derive the class dummyClass from class base as a private inheritance. (2 lines are { and }.) "A1 is { "A2 is "A3 is )) B. Determine which members of class base are private, protected, and public in class dummyClass. "B1 is dummyClass is a deWhat is outpout? public class Vehicle { public void drive(){ System.out.println("Driving vehicle"); } public class Plane extends Vehicle { @Override public void drive(){ System.out.println("Flying plane"); } public static void main(String args[]) { Vehicle myVehicle myVehicle.drive(); } } = new Plane(); syntax error Driving vehicle Flying plane Flying plane O Driving vehicle
- 8. OOPS Theory #6 public class Car { public void horn() { System.out.println("Horn horn"); } } public class Ferrari extends Car { public void horn() { System.out.println("Ferarriiiiii"); } } public static void main(String[] args) { Ferrari ferrari = new Car(); ferrari.horn(); } Pick ONE option Horn horn Ferarriiii Cannot compile Runtime exception Clear Selection 9. OOPS Theory #7 In Java, we can achieve the abstraction by creating the blueprint of an object and only have abstract methods. What do we call this? Pick ONE option Interface Encapsulation Instance Protected Clear Selectionpublic class Base { public void PrintName() { System.out.println("Base"); } static void PrintClass() { System.out.println("ClassBase"); } private void PrintPrivate() { System.out.println("PrintPrivate"); } class Derived extends Base { public void PrintName() { System.out.println("Derived"); } static void PrintClass() { System.out.println("ClassDerived"); } private void PrintPrivate() { System.out.println("PrintDerived"); } public static void main(String[] args) { Base x = new Derived(); Derived y = new Derived(); x.PrintClass(); y.PrintPrivate(); x.PrintName();interface StudentsADT{void admissions();void discharge();void transfers(); }public class Course{String cname;int cno;int credits;public Course(){System.out.println("\nDEFAULT constructor called");}public Course(String c){System.out.println("\noverloaded constructor called");cname=c;}public Course(Course ch){System.out.println("\nCopy constructor called");cname=ch;}void setCourseName(String ch){cname=ch;System.out.println("\n"+cname);}void setSelectionNumber(int cno1){cno=cno1;System.out.println("\n"+cno);}void setNumberOfCredits(int cdit){credits=cdit;System.out.println("\n"+credits);}void setLink(){System.out.println("\nset link");}String getCourseName(){System.out.println("\n"+cname);}int getSelectionNumber(){System.out.println("\n"+cno);}int getNumberOfCredits(){System.out.println("\n"+credits); }void getLink(){System.out.println("\ninside get link");}} public class Students{String sname;int cno;int credits;int maxno;public Students(){System.out.println("\nDEFAULT constructor…
- 1. class rectangle { private: double width; double length; 3. 4. public: rectangle(double w=0.0, double l=0.0) { width=w; 5. б. 7. length=w; } void operator++() //prefix ++ operator 10. {++width; ++length; } 11. void operator++() //postfix ++ operator 12. {width++; length++; } 8. 9. 13. }; Which line of the above C++ code contains an error? Select one: a.9 b.6 c.No errors d.11public class A { private int x; public int y; protected int z; public A() public class B extends A public class C { private int x; public int y; protected int z; public B() { x = 0; { private int x; public int y; private B z; private A w; public C() { z = new B () ; X = 0; } W = (A) z; Select correct statements assuming that defined classes belong to the same package (folder): variable x from A is accesible in C variable y from A is accesible in C variable z from A is accesible in B variable x from B is accesible in C variable y from A is accesible in B variable z from B is accesible in C variable z from A is accesible in C variable x from A is accesible in B variable y from B is accesible in C7. public class Father { public String name; public int age; // customer name Father(){ name="Hassan"; age=50;} public void display(){ System.out.println("Name:"+name); System.out.println("Age:"+age); }} Figure 3 i. Based on Figure 3, create a class named Child that inherits the Father class. Declare an instance name location (String) for class Child. ii. Define a constructor in class Child and give an appropriate initial values for the instance (name, age, location). Define a method display () in class Child, execute the display () method in superclass using the keyword super. Method display () in class Child should print the information of name, age and location. ii.