What will be the output of the following Java code? 1. class A 2. 3. int i; void display() 4. 5. { System.out.println(i); 6. 7. 8. 9. class B extends A 10. int j; void display () 11. 12. 13. System.out.println(j); 14. 15. 16. 17. class method_overriding 18. { 19. public static void main(String args[]) 20. { В obj = new B(); 21. 22. obj.i-1; obj.j=2; obj.display(); 23. 24. 25. 26.
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- Write a simple java program with the following specifications: In the main method add the following declarations: int[ ] arr1 = {1,2,3,4,5,6,7,8,9,10}; int[ ] arr2 = {10,9,8,7,6,5,4,3,2,1}; int[ ][ ] arr3 ={{1,2,3},{4,5,6},{7,8,9},{10}}; System.out.print(arr1[0]); Save, compile and run the program. 1: What is the output when you run the program? 2: What is the value of: arr3[arr1[0]][arr2[arr1[8]]] 3: What is the value of: arr3[2][arr1[1]] 4: What is the value of: arr1[arr2[arr1[arr2[3]]]] 5: What is the value of: arr1[x++] 2. Add the following codes at the end of your main method: for(int x=1; x<=5;x++) System.out.print(arr1[5-x]); Save, compile and run the program. 6: What is the output when you run the program? 7: What would be the output if you arr2[5-x] instead of arr1[5-x]; 3.Open the file again and modify add the following codes in the main method: for(int x = 0; x<10; x++) { arr1[x]=arr2[x]; arr2[x]=x; }…Write a simple java program with the following specifications: In the main method add the following declarations: int[ ] arr1 = {1,2,3,4,5,6,7,8,9,10}; int[ ] arr2 = {10,9,8,7,6,5,4,3,2,1}; int[ ][ ] arr3 ={{1,2,3},{4,5,6},{7,8,9},{10}}; System.out.print(arr1[0]); Save, compile and run the program. 2. Add the following codes at the end of your main method: for(int x=1; x<=5;x++) System.out.print(arr1[5-x]); Save, compile and run the program. 3.Open the file again and modify add the following codes in the main method: for(int x = 0; x<10; x++) { arr1[x]=arr2[x]; arr2[x]=x; } System.out.print(arr2[0]); Save, compile and run the program.Consider the following code in Java 8:public interface Runnable{void run() ;}public final class Caller {public static void call (String before, String after, Runnable r) (System.out.println(before);r. run() ;System.out.println(after);} }public class MyClass{public static void main(String args[]) (Caller.call("BEFORE", "AFTER",); } }Complete the blark line with some code so that the program prints the folowing to the output: BEFOREHi there!AFTER
- The following is in Java: public class MyClass { private int x; private double y; public static void setValues(int a, double b) { x = a; y = b; } } 1) What is the problem? 2) In a few sentences how can the issue be fixed?Do in Java Override the toString and equals of the Object class. For example: Test Result Book book = new Book("978-0135166307","Core Java Volume 1", "Cay A. Hortsmann", 2018); System.out.println(book); 978-0135166307, Core Java Volume 1, Cay A. Hortsmann, 2018 Book book = new Book("978-0135166307","Core Java Volume 1", "Cay A. Hortsmann", 2018); Book book2 = new Book("978-0131873254","Database Systems: The Complete Book","Hector Garcia-Molina", 2008); System.out.println(book.equals(book2)); falseWRITE THE BODY OF Java program - THE checkWinner METHOD BELOW SO THAT THE GAME STOPS WHEN SOMEONE WINS, OR WHEN THE BOARD IS FULL. AS SHOWN IN THE SAMPLE OUTPUT AT THE BOTTOM. Code: import java.util.Scanner; public class TicTacBoard { private char[][] board; // 2-D array of characters private char curPlayer; // the player whose turn it is (X or O) // Constructor: board will be size x size public TicTacBoard(int size) { board = new char[size][size]; // initialize the board with all spaces: for(int row=0; row < board.length; row++) for(int col=0; col < board[row].length; col++) board[row][col] = ' '; curPlayer = 'X'; // X gets the first move } public void playGame() { display(); do { takeTurn(); display(); }while(!checkWinner()); } /////// display //////// // Display the current status of the board on the // screen, using hyphens (-) for horizontal lines // and pipes (|) for vertical lines. public void…
- Use the Java program in below, implement encapsulation on the property name, and use getters and setters to unhide the name: class Animal1{String name; public void eat(){System.out.println("I can eat");}} class Dog extends Animal1{public void display(){System.out.println("My name is " + name);}} public class Lab06_A{public static void main(String[] args){ Dog labrador = new Dog(); labrador.name = "Rohu";labrador.display(); labrador.eat();} }Can help in java? Define a static method, which as parameters object String (symbolizes low) and symbol and returns a Boolean value, the result of the check contained in the string. In the test function, illustrate accept the method.(Java) Q 4,5 COMPLETE BOTH STEPS Explain the answer step-by-step and include verbal explanation. Thank you! Given the below class: public class Dog { private String name; private double weight; private static int numDogs = 0; public Dog(String name, double weight) { this.name = name; this.weight = weight; numDogs++; } public String getName() { return name; } public double getWeight() { return weight; } public static int getNumDogs() { return numDogs; }public static void increaseNumDogs() {numDogs++;}public void printGreeting() { System.out.println("Woof!"); } @Override public String toString() { return "Name: " + name + "\nWeight: " + weight; }} Add a method call to getNumDogs to the below starter code: public class DogTest {public static void main(String[] args) { Dog fluffy = new Dog("Fluffy", 10); int num = //call getNumDogs method here }} Then, add a method call…
- In the main method add the following declarations: int[ ] arr1 = {1,2,3,4,5,6,7,8,9,10}; int[ ] arr2 = {10,9,8,7,6,5,4,3,2,1}; int[ ][ ] arr3 ={{1,2,3},{4,5,6},{7,8,9},{10}}; for(int x = 0; x<10; x++) { arr1[x]=arr2[x]; arr2[x]=x; } System.out.print(arr2[0]); 1-a: What is the output when you run the program? A: 0 B: 1 C: 2 D: None of the above 1-b: What is the value of: arr3[arr1[0]][arr2[arr1[8]]] A: 5 B: 6 C: 7 D: None of the above 1-c: What is the value of: arr3[2][arr1[1]] A: 7 B: 8 C: 9 D: None of the aboveWrite a Java Program, Create a class with a method that prints "This is parent class" and its subclass with another method that prints "This is child class". Now, create an object for each of the class and call 1 - method of parent class by object of parent class 2 - method of child class by object of child class 3 - method of parent class by object of child class In the above example, declare the method of the parent class as private and then repeat the first two operations (You will get error in the third).JAVA Program ASAP Please modify this program and take out the main method from the program so it passes the test cases in Hypergrade. I have provided the failed test cases. import java.io.BufferedReader;import java.io.FileReader;import java.io.IOException;import java.util.ArrayList;import java.util.Arrays;import java.util.InputMismatchException;import java.util.Scanner;public class FileSorting { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); while (true) { System.out.println("Please enter the file name or type QUIT to exit:"); String fileName = scanner.nextLine(); if (fileName.equalsIgnoreCase("QUIT")) { break; } try { ArrayList<String> lines = readFile(fileName); if (lines.isEmpty()) { System.out.println("File " + fileName + " is empty."); } else { performSorting(lines);…