What will be the output of the given program class A { int m-20, n%3D30; void display() System.out.println(m); class B extends A{ int n-40; void display() System.out.println(n); class Main public static void main(String[] a- B o=new B(); int k=o.n; System.out.println(k);
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- public class TwoColors 10 { public static void main(String[] args) { Scanner in = new Scanner(System.in); 11 12 13 14 System.out.print("Enter your first favorite color: "); 15 16 // Step 2: Read in the next line of input and assign • it to a String variable color1 17 // 18 19 // Step 3: Trim spaces from both end and convert the // // 20 input to all lowercase and assign it back 21 22 to the same variable 23 24 System.out.print("Enter your second favorite color: "); 25 26 // Step 4: Read in the next line of input and assign 27 // it to a String variable color2 28 29 30 // Step 5: Trim spaces from both end and convert the // // 31 input to all lowercase and assign it back 32 33 to the same variable 34 35 // Step 6: Display a message according to the following: // 36 first color 37 second color message light blue 38 red That's wonderful! light blue 39 red That's even better! That's also great! 40 otherwise 41 421- class Excep { 2- public static void main(String[] args){ 3 try{ int arr[]=(1,2}; 4 int x = arr[1]/arr[0]-1; 6 7 catch(ArithmeticException e) 8- { 9. System.out.printin("divide by e"); 10 } 11 catch(ArrayIndexOutofBoundsException e) 12- { 13 System.out.println("wrong indexing"); 14 15 finally 16- { 17 System.out.println("Runtime error"); 18 } 19 }} 20 Answer:12. What is the output of this program? class A { int i; void display0 { System.out.println(i); } } class B extends A { int j; B0{ ++j; } void display) { System.out.printIn(); } } public class Test { public static void main(String args[]) { B obj = new B(); obj.i=1; obj.j+ =2; obj.display); } }
- class TenNums {private: int *p; public: TenNums() { p = new int[10]; for (int i = 0; i < 10; i++) p[i] = i; } void display() { for (int i = 0; i < 10; i++) cout << p[i] << " "; }};int main() { TenNums a; a.display(); TenNums b = a; b.display(); return 0;} Continuing from Question 4, let's say I added the following overloaded operator method to the class. Which statement will invoke this method? TenNums TenNums::operator+(const TenNums& b) { TenNums o; for (int i = 0; i < 10; i++) o.p[i] = p[i] + b.p [i]; return o;} Group of answer choices TenNums a; TenNums b = a; TenNums c = a + b; TenNums c = a.add(b);public class test{ private static final int MAX = 100; private int[] sco; public test(int[] sco){ this.sco = sco; } private int comAvg() throws IllegalArgumentException{ int sum = 0; for (int i = 0; i < sco.length; i++){ int sc = sco[i]; if (sc < 0 || sc > MAX){ throw new IllegalArgumentException("Score (" + sc + ") is not in the range 0-" + MAX); } sum += sco[i]; } int av = sum / sco.length; return av; } public static void main(String[] args){ test test = new test(new int[] { 50, 70, 81 }); try{ int avgSc = test.comAvg(); char letG; if (avgSc < 60) letG = 'F'; else if (avgSc < 70) letG = 'D'; else if (avgSc < 80) letG = 'C'; else if (avgSc < 90) letG = 'B'; else letG = 'A'; System.out.println("\nAVG Score is " +…class TenNums {private: int *p; public: TenNums() { p = new int[10]; for (int i = 0; i < 10; i++) p[i] = i; } void display() { for (int i = 0; i < 10; i++) cout << p[i] << " "; }};int main() { TenNums a; a.display(); TenNums b = a; b.display(); return 0;} Write a copy constructor for the above class TenNums. Make sure it performs deep copy. Group of answer choices TenNums(const TenNums& b) { p = b.p;} TenNums(const TenNums& b) { p = new int[10]; for (int i = 0; i < 10; i++) p[i] = b.p[i];} TenNums(const TenNums b) { p = new int[10]; for (int i = 0; i < 10; i++) p[i] = b.p[i];} TenNums(const TenNums b) { p = b.p;}
- public class Test { } public static void main(String[] args) { String str = "Salom"; System.out.println(str.indexOf('t)); }1 public class Main { 1234567 7 8 9 10 11 ENERGET 12 13 14 15 16 17 18} public static void main(String[] args) { String present = ""; double r = Math.random(); // between 0 and 1 if (r > >>public class Average { /** * @param args */ publicstaticvoid main(String[] args) { Scanner input = new Scanner(System.in); System.out.print("Enter the number of classes: "); intnumClasses = input.nextInt(); int[] numStudents = newint[numClasses]; inttotalStudents = 0; for (inti = 0; i < numClasses; i++) { System.out.print("Enter the number of students in class " + (i + 1) + ":"); numStudents[i] = input.nextInt(); totalStudents += numStudents[i]; } intaverageStudents = totalStudents / numClasses; System.out.println("The average number of students per class is " + averageStudents); System.out.println(); System.out.println("Class\tNumber of Students"); for (inti = 0; i < numClasses; i++) { System.out.print((i + 1) + "\t\t" + numStudents[i]); } } } Write a Java program that solves the following problem. Name your class Average. Your program will determine the average number of students per class in a school. It should begin by requesting the number of classes in…
- class overload { int x; double y; void add(int a , int b) { x = a + b; } void add(double c , double d) { y = c + d; } overload() { this.x 0; %3D this.y = 0; } %3D } class Overload_methods { public static void main(String args[]) { overload obj int a = 2; double b - 3.2; obj.add(a, a); obj.add(b, b); System.out.println(obj.x + } = new overload(); + obj.y); } #3Run the codeclass Param3 { public int x; private void increase(int p) { x = x*p; } public void calculateX(int y) { increase(y); } public int getX() { return x; } } // in another class Param3 q3 = new Param3(); q3.x = 5; q3.calculateX(7); System.out.println(q3.getX()); what would be the answer for the last two lines ? also above were x = x*p do both x in here are the fields? wouldn't that be cnofusing?import java.util.Scanner; public class MorgansBonuses { public static void main(String[] args) { int WeeksWorked; int Reviews; int x, y; final int Quit = 99; double[][] bonuses = { { 5, 9, 16, 22, 30 }, { 10, 12, 18, 24, 36 }, { 20, 25, 32, 42, 55, 68 }, { 46, 54, 65, 77, 90 }, { 60, 72, 84, 96, 120 }, { 85, 100, 120, 140, 175 } }; Scanner ID = new Scanner(System.in); System.out.println("Please enter the number of weeks the employee has worked or " + Quit + " to quit.>>"); WeeksWorked = ID.nextInt(); while (WeeksWorked != Quit) { System.out.println("Please enter the number of positive reviews the employee has recieved or " + Quit +" to end program.>>"); Reviews = ID.nextInt(); if (WeeksWorked >= bonuses.length) { WeeksWorked = bonuses.length - 1; } if (Reviews >= bonuses[0].length) { Reviews =…