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How to print results of matched numbers with a space

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0

Just thought of a simple program to practice java coding and am stuck at the end part.,..

the code prints out the required answer (what numbers match from input compared to results for a 5 number lottery) but the answer is printed without spaces. I thought perhaps to add a "" when += to matchingNumbers but that didnt do anything!

import java.util.Scanner;
import java.util.Arrays;
public class LottoChecker

 public static void main (String[] args)
 
 Scanner in = new Scanner(System.in);
 int [] yourNumbers = new int [5];
 int yourInput, resultsInput;
 int [] results = new int [5];
 int currentNumber = 0;
 String matchingNumbers = "";
 for (int i=0; i<yourNumbers.length; i++)
 
 System.out.println ("Enter your main numbers: " );
 yourInput = in.nextInt();
 yourNumbers[i]=yourInput;
 

 for (int j=0; j<results.length; j++)
 
 System.out.println("Enter the results from the main numbers: ");
 resultsInput = in.nextInt();
 results[j] = resultsInput;
 

 System.out.println("Your Numbers: " + 
Arrays.toString(bubbleSort(yourNumbers)));
 System.out.println("The Results are: " + 
Arrays.toString(results));

 for (int i =0; i<yourNumbers.length;i++)
 
 currentNumber = yourNumbers[i];
 for (int j=0;j<results.length;j++)
 if (currentNumber == results[j])

 matchingNumbers += currentNumber + "";

 

 System.out.println("Your matching numbers are: " + 
matchingNumbers);

 

 public static int [] bubbleSort(int arr[]) 
 
 int n = arr.length; 
 for (int i = 0; i < n-1; i++) 
 for (int j = 0; j < n-i-1; j++) 
 if (arr[j] > arr[j+1]) 
 

 int temp = arr[j]; 
 arr[j] = arr[j+1]; 
 arr[j+1] = temp; 
 
 return arr;
 

java

share|improve this question

asked Mar 26 at 21:35

LearningToCodeLearningToCode

922 bronze badges

• 
  
  
  

  
  6
  

  
  
  
  
  
  

  
  
  Try adding " " instead of "". "" is an empty String
  
  – GBlodgett
  Mar 26 at 21:36
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Use "Your matching numbers are:" and then += " " + currentNumber
  
  – Daniel Widdis
  Mar 26 at 21:37
  

  
  
  
  

add a comment | 

0

Just thought of a simple program to practice java coding and am stuck at the end part.,..

the code prints out the required answer (what numbers match from input compared to results for a 5 number lottery) but the answer is printed without spaces. I thought perhaps to add a "" when += to matchingNumbers but that didnt do anything!

import java.util.Scanner;
import java.util.Arrays;
public class LottoChecker

 public static void main (String[] args)
 
 Scanner in = new Scanner(System.in);
 int [] yourNumbers = new int [5];
 int yourInput, resultsInput;
 int [] results = new int [5];
 int currentNumber = 0;
 String matchingNumbers = "";
 for (int i=0; i<yourNumbers.length; i++)
 
 System.out.println ("Enter your main numbers: " );
 yourInput = in.nextInt();
 yourNumbers[i]=yourInput;
 

 for (int j=0; j<results.length; j++)
 
 System.out.println("Enter the results from the main numbers: ");
 resultsInput = in.nextInt();
 results[j] = resultsInput;
 

 System.out.println("Your Numbers: " + 
Arrays.toString(bubbleSort(yourNumbers)));
 System.out.println("The Results are: " + 
Arrays.toString(results));

 for (int i =0; i<yourNumbers.length;i++)
 
 currentNumber = yourNumbers[i];
 for (int j=0;j<results.length;j++)
 if (currentNumber == results[j])

 matchingNumbers += currentNumber + "";

 

 System.out.println("Your matching numbers are: " + 
matchingNumbers);

 

 public static int [] bubbleSort(int arr[]) 
 
 int n = arr.length; 
 for (int i = 0; i < n-1; i++) 
 for (int j = 0; j < n-i-1; j++) 
 if (arr[j] > arr[j+1]) 
 

 int temp = arr[j]; 
 arr[j] = arr[j+1]; 
 arr[j+1] = temp; 
 
 return arr;
 

java

share|improve this question

asked Mar 26 at 21:35

LearningToCodeLearningToCode

922 bronze badges

• 
  
  
  

  
  6
  

  
  
  
  
  
  

  
  
  Try adding " " instead of "". "" is an empty String
  
  – GBlodgett
  Mar 26 at 21:36
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Use "Your matching numbers are:" and then += " " + currentNumber
  
  – Daniel Widdis
  Mar 26 at 21:37
  

  
  
  
  

add a comment | 

Just thought of a simple program to practice java coding and am stuck at the end part.,..

the code prints out the required answer (what numbers match from input compared to results for a 5 number lottery) but the answer is printed without spaces. I thought perhaps to add a "" when += to matchingNumbers but that didnt do anything!

import java.util.Scanner;
import java.util.Arrays;
public class LottoChecker

 public static void main (String[] args)
 
 Scanner in = new Scanner(System.in);
 int [] yourNumbers = new int [5];
 int yourInput, resultsInput;
 int [] results = new int [5];
 int currentNumber = 0;
 String matchingNumbers = "";
 for (int i=0; i<yourNumbers.length; i++)
 
 System.out.println ("Enter your main numbers: " );
 yourInput = in.nextInt();
 yourNumbers[i]=yourInput;
 

 for (int j=0; j<results.length; j++)
 
 System.out.println("Enter the results from the main numbers: ");
 resultsInput = in.nextInt();
 results[j] = resultsInput;
 

 System.out.println("Your Numbers: " + 
Arrays.toString(bubbleSort(yourNumbers)));
 System.out.println("The Results are: " + 
Arrays.toString(results));

 for (int i =0; i<yourNumbers.length;i++)
 
 currentNumber = yourNumbers[i];
 for (int j=0;j<results.length;j++)
 if (currentNumber == results[j])

 matchingNumbers += currentNumber + "";

 

 System.out.println("Your matching numbers are: " + 
matchingNumbers);

 

 public static int [] bubbleSort(int arr[]) 
 
 int n = arr.length; 
 for (int i = 0; i < n-1; i++) 
 for (int j = 0; j < n-i-1; j++) 
 if (arr[j] > arr[j+1]) 
 

 int temp = arr[j]; 
 arr[j] = arr[j+1]; 
 arr[j+1] = temp; 
 
 return arr;
 

java

share|improve this question

asked Mar 26 at 21:35

LearningToCodeLearningToCode

922 bronze badges

import java.util.Scanner;
import java.util.Arrays;
public class LottoChecker

 public static void main (String[] args)
 
 Scanner in = new Scanner(System.in);
 int [] yourNumbers = new int [5];
 int yourInput, resultsInput;
 int [] results = new int [5];
 int currentNumber = 0;
 String matchingNumbers = "";
 for (int i=0; i<yourNumbers.length; i++)
 
 System.out.println ("Enter your main numbers: " );
 yourInput = in.nextInt();
 yourNumbers[i]=yourInput;
 

 for (int j=0; j<results.length; j++)
 
 System.out.println("Enter the results from the main numbers: ");
 resultsInput = in.nextInt();
 results[j] = resultsInput;
 

 System.out.println("Your Numbers: " + 
Arrays.toString(bubbleSort(yourNumbers)));
 System.out.println("The Results are: " + 
Arrays.toString(results));

 for (int i =0; i<yourNumbers.length;i++)
 
 currentNumber = yourNumbers[i];
 for (int j=0;j<results.length;j++)
 if (currentNumber == results[j])

 matchingNumbers += currentNumber + "";

 

 System.out.println("Your matching numbers are: " + 
matchingNumbers);

 

 public static int [] bubbleSort(int arr[]) 
 
 int n = arr.length; 
 for (int i = 0; i < n-1; i++) 
 for (int j = 0; j < n-i-1; j++) 
 if (arr[j] > arr[j+1]) 
 

 int temp = arr[j]; 
 arr[j] = arr[j+1]; 
 arr[j+1] = temp; 
 
 return arr;
 

share|improve this question

asked Mar 26 at 21:35

LearningToCodeLearningToCode

922 bronze badges

share|improve this question

asked Mar 26 at 21:35

LearningToCodeLearningToCode

922 bronze badges

asked Mar 26 at 21:35

LearningToCodeLearningToCode

922 bronze badges

asked Mar 26 at 21:35

LearningToCodeLearningToCode

922 bronze badges

1 Answer
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2

An elegant solution would be using StringJoiner(" ") and then add the numbers on each iteration.

share|improve this answer

answered Mar 26 at 21:43

oliver.goliver.g

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2

An elegant solution would be using StringJoiner(" ") and then add the numbers on each iteration.

share|improve this answer

answered Mar 26 at 21:43

oliver.goliver.g

5411 silver badge55 bronze badges

add a comment | 

2

An elegant solution would be using StringJoiner(" ") and then add the numbers on each iteration.

share|improve this answer

answered Mar 26 at 21:43

oliver.goliver.g

5411 silver badge55 bronze badges

add a comment | 

An elegant solution would be using StringJoiner(" ") and then add the numbers on each iteration.

share|improve this answer

answered Mar 26 at 21:43

oliver.goliver.g

5411 silver badge55 bronze badges

share|improve this answer

answered Mar 26 at 21:43

oliver.goliver.g

5411 silver badge55 bronze badges

answered Mar 26 at 21:43

oliver.goliver.g

5411 silver badge55 bronze badges

answered Mar 26 at 21:43

oliver.goliver.g

5411 silver badge55 bronze badges