How to print out the contents of the list on a single line In this printNumbers method i need it to print out the integers in the numbers list. And im not sure what im doing wrong. public class WrapperExample { private Scanner scanner; private ArrayList numbers; /** * Constructor for objects of class WrapperExample. */ public WrapperExample() scanner = new Scanner(System.in); numbers = new ArrayList<>(); } /** * Read integer from standard input (System.in) * and store them in the list. The end of the * input is indicated by a negative integer. * The negative integer must not be stored in the list. */ public void readNumbers() { int i = scanner.nextInt(); // Get rid of any previous numbers. numbers.clear(); // Read a fresh set of integers ... while (i >= 0){ numbers.add(i); } i = scanner.nextInt(); /** * Print out the integers in the numbers list. * Print the numbers on a single line, with a single space * between each. */ public void printNumbers() { // Print out the numbers. // Terminate the line. for(Integer interger: numbers){ System.out.println(scanner.nextInt()); }
How to print out the contents of the list on a single line In this printNumbers method i need it to print out the integers in the numbers list. And im not sure what im doing wrong. public class WrapperExample { private Scanner scanner; private ArrayList numbers; /** * Constructor for objects of class WrapperExample. */ public WrapperExample() scanner = new Scanner(System.in); numbers = new ArrayList<>(); } /** * Read integer from standard input (System.in) * and store them in the list. The end of the * input is indicated by a negative integer. * The negative integer must not be stored in the list. */ public void readNumbers() { int i = scanner.nextInt(); // Get rid of any previous numbers. numbers.clear(); // Read a fresh set of integers ... while (i >= 0){ numbers.add(i); } i = scanner.nextInt(); /** * Print out the integers in the numbers list. * Print the numbers on a single line, with a single space * between each. */ public void printNumbers() { // Print out the numbers. // Terminate the line. for(Integer interger: numbers){ System.out.println(scanner.nextInt()); }
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
![How to print out the contents of the list on a
single line
In this printNumbers method i need it to print
out the integers in the numbers list. And im not
sure what im doing wrong.
<pre>public class WrapperExample
private Scanner scanner;
private ArrayList<Integer> numbers;
{
/**
* Constructor for objects of class
WrapperExample.
*/
public WrapperExample()
scanner = new Scanner(System.in);
numbers = new ArrayList<>();
/**
* Read integer from standard input (System.in)
* and store them in the list. The end of the
input is indicated by a negative integer.
* The negative integer must not be stored in
the list.
*/
public void readNumbers()
int i = scanner.nextInt();
// Get rid of any previous numbers.
numbers.clear();
// Read a fresh set of integers ...
while (i >= 0){
numbers.add(i);
i = scanner.nextInt();
/**
Print out the integers in the numbers list.
* Print the numbers on a single line, with a
single space
* between each.
*/
public void printNumbers()
// Print out the numbers.
// Terminate the line.
for(Integer interger: numbers){
System.out.println(scanner.nextInt());
}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F84bf7e00-816f-4f6a-ad58-b183b14716de%2Fd55ea25a-7f44-4d32-b8c8-386904ddd3b6%2Fy7ee8u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:How to print out the contents of the list on a
single line
In this printNumbers method i need it to print
out the integers in the numbers list. And im not
sure what im doing wrong.
<pre>public class WrapperExample
private Scanner scanner;
private ArrayList<Integer> numbers;
{
/**
* Constructor for objects of class
WrapperExample.
*/
public WrapperExample()
scanner = new Scanner(System.in);
numbers = new ArrayList<>();
/**
* Read integer from standard input (System.in)
* and store them in the list. The end of the
input is indicated by a negative integer.
* The negative integer must not be stored in
the list.
*/
public void readNumbers()
int i = scanner.nextInt();
// Get rid of any previous numbers.
numbers.clear();
// Read a fresh set of integers ...
while (i >= 0){
numbers.add(i);
i = scanner.nextInt();
/**
Print out the integers in the numbers list.
* Print the numbers on a single line, with a
single space
* between each.
*/
public void printNumbers()
// Print out the numbers.
// Terminate the line.
for(Integer interger: numbers){
System.out.println(scanner.nextInt());
}
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