Please answer this question (JAVA)
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6) (b) null 7) (c) A memory location 8) (b) null 9) (c) A memory location 10) (a) Something like "Person@42gf32"
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Please answer this question (JAVA)
Consider now the following code fragment: 1 public class Main public...
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...
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...
Consider java for fixing this code please: what i need is to insert method to be...
Consider java for fixing this code please: what i need is to insert method to be added ( please don't change the test class and any giving value in the first class ) here is the correct out put: ------------------testAddLast()---- {A} {A->B} {A->B->null} {A->B->null->C} ----------------------------- --------testSubListOfSmallerValues()---------- {} {B->B->B->A} {F->B->B->B->A->D} {F->B->B->G->B->A->M->D} ----------------------------- ------------Test lastIndexOf()----- -1 3 -1 -1 0 5 2 ----------------------------- ---------testRetainAll()--------- {} {6:Tony->6:Tony} {null->bad->null} ----------------------------- ---------------Test removeStartingAtBack--- false true {apple->null->bad->null} true {apple->null->bad} {2:Morning->3:Abby->4:Tim->5:Tom->6:Tony} ----------------------------- ---------test insertionSort()--------- {} {D} {D->E->E->F->G}...
Can you help me with this code in Java??? import java.util.Scanner; public class Main { public...
Can you help me with this code in Java??? import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int rows = 3; int columns = 4; int[][] arr = new int[rows][columns]; for(int i = 0; i < rows; ++i) { for(int j = 0; j < columns; ++j) { System.out.println("Enter a value: "); arr[i][j] = scan.nextInt(); } } System.out.println("The entered matrix:"); for(int i = 0; i < rows; ++i) { for(int j...
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()...
Please edit my following JAVA code so that there is no main function. I would like...
Please edit my following JAVA code so that there is no main function. I would like one function in this class that completes what the current program is trying to do so that I can call this class in my main class which will be separate. import java.math.RoundingMode; import java.text.DecimalFormat; import java.util.Scanner; public class enterwklyincme { private static DecimalFormat df = new DecimalFormat("0.00"); public static float readFloat(Scanner reader) { float num; while (true) { try { num = Float.parseFloat(reader.nextLine()); return...
Error: Main method not found in class ServiceProvider, please define the main method as: public static...
Error: Main method not found in class ServiceProvider, please define the main method as: public static void main(String[] args) or a JavaFX application class must extend javafx.application.Application This is the error im getting while executing the following code Can you modify the error import java.net.*; import java.io.*; public class ServiceProvider extends Thread { //initialize socket and input stream private Socket socket = null; private ServerSocket server = null; private DataInputStream in = null; private DataOutputStream out = null; private int...
Consider the following codes: public class TestThread extends Thread { public static void main(String[] args)...
Consider the following codes: public class TestThread extends Thread { public static void main(String[] args) { TestThread thread = new TestThread(); } @Override public void run() { printMyName(); } private void printMyName() { System.out.println("Thread is running"); } } Test Stem / Question Choices 1: What method should you invoke to start the thread TestThread? A: start() B: run() C: No. Thread will run automatically when executed. D: TestThread is not...
Help with a question in Java: What is the output from the following program? public class...
Help with a question in Java: What is the output from the following program? public class Methods2 { public static void main(String[] args) { for (int i = 0; i < 3; i++) { for (int j = 0; j <= i; j++){ System.out.print(fun(i, j) + "\t"); } System.out.println(); } } static long fun(int n, int k) { long p = 1; while (k > 0){ p *= n; } return p; } }
import java.util.Scanner; public class StudentClient { public static void main(String[] args) { ...
import java.util.Scanner; public class StudentClient { public static void main(String[] args) { Student s1 = new Student(); Student s2 = new Student("Smith", "123-45-6789", 3.2); Student s3 = new Student("Jones", "987-65-4321", 3.7); System.out.println("The name of student #1 is "); System.out.println("The social security number of student #1 is " + s1.toString()); System.out.println("Student #2 is " + s2); System.out.println("the name of student #3 is " + s3.getName()); System.out.println("The social security number...
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()...
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