Homework Answers
There are no errors in the above program.
The program will execute normally and the goal of the program is to print the twice of each element of the array entered through command line argument.
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Consider the following short program. If there's an error (either compilation or runtime) in the program,...
Java will be printed 10. can you explain step by step why? public class WhatsPrinted2 {...
Java will be printed 10. can you explain step by step why? public class WhatsPrinted2 { public static void whatHappens(int A[]) { int []B = new int[A.length]; for (int i=0; i<A.length; i++) { B[i]=A[i]*2; } A=B; } public static void main(String args[]) { int A[] = {10,20,30}; whatHappens(A); System.out.println(A[0]); } } will print 10. explain how it's works. Thanks public class WhatsPrinted3 { public static int[] whatHappens(int A[]) { int []B = new int[A.length]; for (int i=0; i<A.length; i++) {...
Java i know that result will be 415. Can you explain how it works. step by...
Java i know that result will be 415. Can you explain how it works. step by step please. thanks public static void whatsPrinted(int A[]) { for (int i=1; i<A.length; i++) { A[i]=A[i-1]*2+1; } } public static void main(String args[]) { int A[] = {12,3,8,9,7,11}; whatsPrinted(A); System.out.println(A[A.length-1]); }
I am getting an error from eclipse stating that: Exception in thread "main" java.lang.Error: Unresolved compilation...
I am getting an error from eclipse stating that: Exception in thread "main" java.lang.Error: Unresolved compilation problem: at EvenOdd.main(EvenOdd.java:10) I am unable to find what I can do to fix this issue. Can you please assist? My code is below: import java.util.InputMismatchException; import java.util.Scanner; public class EvenOdd { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("Welcome to this Odd program!"); int userInput1 = input.nextInt(); } public...
need help editing or rewriting java code, I have this program running that creates random numbers...
need help editing or rewriting java code, I have this program
running that creates random numbers and finds min, max, median ect.
from a group of numbers,array. I need to use a data class and a
constructor to run the code instead of how I have it written right
now. this is an example of what i'm being asked
for.
This is my code:
import java.util.Random;
import java.util.Scanner;
public class RandomArray {
// method to find the minimum number in...
class Test public static void main(String args) { Aa=new AO: a.printo: class A private String s;...
class Test public static void main(String args) { Aa=new AO: a.printo: class A private String s; public A (String news) { 8 = news: public void print { System.out.println(s): The program would compile and run if you change A a new Alto Aa=new A('5'). The program has a compilation error because the instance variables in class A is not public. The program has a compilation error because class A does not have a no-arguments constructor The program compiles and runs...
I need to write a program in java that reads a text file with a list...
I need to write a program in java that reads a text file with a list of numbers and sorts them from least to greatest. This is the starter file. import java.util.*; import java.io.*; public class Lab3 { static final int INITIAL_CAPACITY = 5; public static void main( String args[] ) throws Exception { // ALWAYS TEST FOR REQUIRED INPUT FILE NAME ON THE COMMAND LINE if (args.length < 1 ) { System.out.println("\nusage: C:\\> java Lab3 L3input.txt\n"); System.exit(0); } //...
The following code has a problem with polymorphism. I keep getting a runtime error. Error: "An...
The following code has a problem with polymorphism. I keep getting a runtime error. Error: "An unhandled exception of type System.InvalidCastException occured in polymorphism.exe" Apparently, I need one line of code to fix it. C# Code: class Sensor { private string sensorName; public Sensor(string _name) { sensorName = _name; } public virtual void ActionType() { Console.WriteLine("Sensor Detect Nothing."); } } class SmokeSensor : Sensor { private string type;...
I. [15%) Which one causes compilation is deleted, what is the output when the program is...
I. [15%) Which one causes compilation is deleted, what is the output when the program is executed? statement from sl to s6 (see below) cause compilation error? Assume the statement that class X void 120 f System.out.println("XXX");3 Answeri The statement causes compilation errors: class Y extends X void £20 1 System.out.printin("YYY"); void f30 &System.out.printin"AAA"): class Z extends Y void 120 ( System.out.printin"zzz; void 130 System.out.println("BBB"); The output of the program (after the statement that causes compilation is deleteod) class Testf...
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...
I keep getting the compilation error: pass the filename from command line arguement... Can you please...
I keep getting the compilation error: pass the filename from command line arguement... Can you please tell me what im doing wrong? here is the code: import java.io.File; import java.io.FileNotFoundException; import java.util.Scanner; public class ShipDemo { public static void main(String[] args) { String companyName; int num_ships, total_passengers=0, total_tonnage=0; Ship[] shipInventory; try { if(args.length == 1) { File file = new File(args[0]); Scanner fileScan = new Scanner(file); companyName = fileScan.nextLine(); num_ships = fileScan.nextInt(); shipInventory = new Ship[num_ships]; int n=0; String type,name;...
need help editing or rewriting java code, I have this program
running that creates random numbers and finds min, max, median ect.
from a group of numbers,array. I need to use a data class and a
constructor to run the code instead of how I have it written right
now. this is an example of what i'm being asked
for.
This is my code:
import java.util.Random;
import java.util.Scanner;
public class RandomArray {
// method to find the minimum number in...
class Test public static void main(String args) { Aa=new AO: a.printo: class A private String s; public A (String news) { 8 = news: public void print { System.out.println(s): The program would compile and run if you change A a new Alto Aa=new A('5'). The program has a compilation error because the instance variables in class A is not public. The program has a compilation error because class A does not have a no-arguments constructor The program compiles and runs...
I. [15%) Which one causes compilation is deleted, what is the output when the program is executed? statement from sl to s6 (see below) cause compilation error? Assume the statement that class X void 120 f System.out.println("XXX");3 Answeri The statement causes compilation errors: class Y extends X void £20 1 System.out.printin("YYY"); void f30 &System.out.printin"AAA"): class Z extends Y void 120 ( System.out.printin"zzz; void 130 System.out.println("BBB"); The output of the program (after the statement that causes compilation is deleteod) class Testf...
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