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Thread: Hi can any have a look at my code and see how I am going wrong with my array list out put,the mark is not outputing

  1. #1
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    Default Hi can any have a look at my code and see how I am going wrong with my array list out put,the mark is not outputing

     
    import java.util.ArrayList;
    import java.util.*;
     
    public class LabArray {
     
    	public static void main(String[] args) {
    		// TODO Auto-generated method stub
     
     
    		ArrayList<String> firstname = new ArrayList<String>();
    		ArrayList<String> surname = new ArrayList<String>();
    		ArrayList<Integer> Grade = new ArrayList<Integer>();
    		String fname;
    		String sname;
    		int grade;
     
     
     
    		Scanner kb  = new Scanner(System.in);
     
    		for (int i=0; i < 20; i++){
     
    		fname = kb.nextLine();
    		firstname.add(fname);
     
    		sname = kb.nextLine();
    		surname.add(sname);
     
    		grade = kb.nextInt();
    		Grade.add(grade);
     
    		System.out.println(firstname.get(i) + " " + surname.get(i) + " " + Grade.get(i));
     
    		}
     
     
    		for (int j = 0;  j < 20;  j++){
     
    			grade = kb.nextInt();
    			Grade.add(grade);
     
    			if( grade >= 85 && grade <= 100 )
    					{
     
    					    System.out.println( "Distinction" );
    					}
    					else
    					    if( grade >= 65 && grade < 84 )
    					    {
     
    					         System.out.println( "Merit" );
    					    }
    					else
    					    if( grade >= 39 && grade < 65 )
    					    {
     
    					         System.out.println( "Pass" );
    					    }
    					else
    					     if( grade >= 39 && grade < 0 )
    					     {
     
    					          System.out.println( "fail" );
    					     }
     
    			System.out.println(firstname.get(j) + " " + surname.get(j) + " " +Grade.get(j));
     
    		}
    		}
     
    }


  2. #2
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    Default Re: Hi can any have a look at my code and see how I am going wrong with my array list out put,the mark is not outputing

    Can you post the console for when you execute the code that shows what the problem is?
    Add some comments saying what is wrong.
      if( grade >= 39 && grade < 0 )
    for what value of grade will that be true?
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: Hi can any have a look at my code and see how I am going wrong with my array list out put,the mark is not outputing

    Hi The code wont give firstname surname grade all on 1 line,example Joe Blogs recieved a grade of 40 Pass.

  4. #4
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    Default Re: Hi can any have a look at my code and see how I am going wrong with my array list out put,the mark is not outputing

    code wont give firstname surname grade all on 1 line
    If the String you are printing has a newline character in it, the characters in the String following the newline character will go on the next line.
    If you want all the printed Strings to go on the same line, make sure there is not a newline character in any of the Strings being printed.

    The println() method adds a newline character at the end of the String that it prints.
    If you don't understand my answer, don't ignore it, ask a question.

  5. #5
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    Default Re: Hi can any have a look at my code and see how I am going wrong with my array list out put,the mark is not outputing

    Ya will take the input from the keyboard but the second for loop wont return the fname surname and the grade.

  6. #6
    Super Moderator Norm's Avatar
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    Default Re: Hi can any have a look at my code and see how I am going wrong with my array list out put,the mark is not outputing

    the second for loop wont
    Please copy the full contents of the console that shows what you are talking about. I see lots of calls to:
    System.out.println() in the second for loop. Which ones are printing and which ones are not printing?
    If you don't understand my answer, don't ignore it, ask a question.

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