4. class Person { 2} public void printValue(int i, int j) {/*…*/ } 3} public void...
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4. class Person {
2} public void printValue(int i, int j) {/*…*/ }
3} public void...
What is the output of this program? class A { public int i; private int j;...
What is the output of this program? class A { public int i; private int j; } class B extends A { void display() { super.j = super.i + 1; System.out.println(super.i + " " + super.j); } } class Inheritance { public static void main(String args[]) { B obj = new B(); obj.i=1; obj.j=2; obj.display(); } } Java language!! // include explanation!
please evaluate the following code. this is JAVA a. class Car { public int i =...
please evaluate the following code. this is JAVA a. class Car { public int i = 3; public Car(int i) { this.i = i; } } ... Car x = new Car(7), y = new Car(5); x = y; y.i = 9; System.out.println(x.i); b. class Driver { public static void main(String[] args) { int[] x = {5, 2, 3, 6, 5}; int n = x.length; for (int j = n-2; j > 0; j--) x[j] = x[j-1]; for (int j...
1) Consider the following Java program: 1 public class HelloWorld { 2 // My first program!...
1) Consider the following Java program: 1 public class HelloWorld { 2 // My first program! 3 public static void main(String[] args) { 4 System.out.println("Hello, World!"); 5 } 6 } What is on line 1? a. a variable declaration b. a statement c. a method (subroutine) definition d. a comment e. a class definition 2) Which one of the following does NOT describe an array? a. It can be used in a for-each loop. b. It has a numbered sequence...
What is output? public abstract class People { protected string name; protected int age; public abstract...
What is output? public abstract class People { protected string name; protected int age; public abstract void PrintInfo(); public void PrintInformation() { System.out.println("In Base Class People"); public class Teacher extends People { private int experience; public void PrintInfo() { System.out.println("In Child Class Teacher"); public class Principal extends Teacher { public void PrintInformation() { System.out.println("In Child Class Principal"); public static void main(String args[]) { Principal tim; tim = new Principal(); tim.PrintInfo(); In Base Class People Error: Compiler error In Child Class...
import java.util.Scanner; public class Chpt7_Project { public static void bubbleSort(int[] list) { int...
import java.util.Scanner; public class Chpt7_Project { public static void bubbleSort(int[] list) { int temp; for (int i = list.length - 1; i > 0; i--) { for (int j = 0; j < i; j++) { if (list[j] > list[j + 1]) { temp = list[j]; list[j] = list[j + 1]; list[j + 1] = temp; } } } ...
public class Test { private static int i =0; private static int j =0; public static...
public class Test { private static int i =0; private static int j =0; public static void main(String[] args) { int i = 2; int k = 3; { int j =3; System.out.println("i + j is : " + i + j); } k = i + j; System.out.println("K is " + k ); System.out.println("K is " + j); } } why is the output i + j = 23 K =2 K =0 Please explain a step by step...
help me with a question in java: class A { int i = 10; } class...
help me with a question in java: class A { int i = 10; } class B extends A { int i = 20; } public class Boo { public static void main(String[] args) { A a = new B(); System.out.println(a.i); } }
The method m() of class B overrides the m() method of class A, true or false?...
The method m() of class B overrides the m() method of class A, true or false? class A int i; public void maint i) { this.is } } class B extends A{ public void m(Strings) { 1 Select one: True False For the following code, which statement is correct? public class Test { public static void main(String[] args) { Object al = new AC: Object a2 = new Object(); System.out.println(al); System.out.println(a): } } class A intx @Override public String toString()...
Q21 Read the following code: 8 Points public class Main { public static int[][] doStuff() {...
Q21 Read the following code: 8 Points public class Main { public static int[][] doStuff() { int[][] array2D = new int[3][2]; for (int i = 0; i < array2D.length; i++) { for (int j = 0; j < array2D[0].length; j++) { array2D[i][j] = (i+j)%2; } } return array2D; فه public static void main(String[] args) { int[][] a = doStuff(); مہ سره Q21.1 What are the contents of array a? 6 Points Write your answer as if printing the elements row-by-row....
1: import java.util.*; 2: class Test 3: { 4: public static void main(String[] args) 5: {...
1: import java.util.*; 2: class Test 3: { 4: public static void main(String[] args) 5: { 6: ArrayList<Object> list = new ArrayList<Object>(); 7: list.add("First Element"); 8: list.add(new Integer(12)); 9: String str = (String) list.get(0); 10: String str2 = (String)list.get(1); 11: } 12: } There is a run time error on which line number? A) Line 9 B) Line 7 C) No errors D) Line 8 E) Line 10 in Java
What is output? public abstract class People { protected string name; protected int age; public abstract void PrintInfo(); public void PrintInformation() { System.out.println("In Base Class People"); public class Teacher extends People { private int experience; public void PrintInfo() { System.out.println("In Child Class Teacher"); public class Principal extends Teacher { public void PrintInformation() { System.out.println("In Child Class Principal"); public static void main(String args[]) { Principal tim; tim = new Principal(); tim.PrintInfo(); In Base Class People Error: Compiler error In Child Class...
The method m() of class B overrides the m() method of class A, true or false? class A int i; public void maint i) { this.is } } class B extends A{ public void m(Strings) { 1 Select one: True False For the following code, which statement is correct? public class Test { public static void main(String[] args) { Object al = new AC: Object a2 = new Object(); System.out.println(al); System.out.println(a): } } class A intx @Override public String toString()...
Q21 Read the following code: 8 Points public class Main { public static int[][] doStuff() { int[][] array2D = new int[3][2]; for (int i = 0; i < array2D.length; i++) { for (int j = 0; j < array2D[0].length; j++) { array2D[i][j] = (i+j)%2; } } return array2D; فه public static void main(String[] args) { int[][] a = doStuff(); مہ سره Q21.1 What are the contents of array a? 6 Points Write your answer as if printing the elements row-by-row....
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