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Thread: Completely lost, creating a bar graph

  1. #1
    Junior Member
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    Default Completely lost, creating a bar graph

    i wrote this code:
       import java.text.DecimalFormat;
       import java.util.Scanner;
     
       public class salary
       {
          public static void main(String[] args)
          {
          //declare variables
             int years = 1,
                maxValue;
             double salary = 500;
             double averageSalary = 0;
             double totalPay = 0;
     
          //Create decimal formatter
             DecimalFormat formatter = new DecimalFormat("$0,000.00");
     
          //create a scanner
             Scanner keyboard = new Scanner(System.in);
     
          //Receive the number of years to work
             System.out.print("How many years will you work? ");
             maxValue = keyboard.nextInt();
     
          //Determine is years are correct
             if (years < 1 || years > 60)
             {
                System.out.println("Years must be between 1 and 60");
             }
             else
             {
             //Return Salary table
                System.out.println("Year \t\tSalary Earned");
                System.out.println("--------------------------");
     
                for (years = 1; years <= maxValue; years++)
                {
                   System.out.println(years + "\t\t" + (formatter.format(salary *= 2)));
                   totalPay += salary;
                   averageSalary = totalPay / years;
                }
     
             //display totals
                System.out.println("\nTotal pay: " + (formatter.format(totalPay)));
                System.out.println("Average salary: " + (formatter.format(averageSalary))); 
             }  
          }
       }

    this code runs correcty as is, but how do i change it to create instead of a table with a salary a table with ***
    for example
    current out put would be :
    ----jGRASP exec: java salary
    How many years will you work? 4
    Year Salary Earned
    --------------------------
    1 $1,000.00
    2 $2,000.00
    3 $4,000.00
    4 $8,000.00

    Total pay: $15,000.00
    Average salary: $3,750.00

    ----jGRASP: operation complete.
    desired output would be
    ----jGRASP exec: java salary
    How many years will you work? 4
    Year Salary Earned
    --------------------------
    1 *
    2 **
    3 ****
    4 ********

    Total pay: $15,000.00
    Average salary: $3,750.00

    ----jGRASP: operation complete.


  2. #2
    Member DanBrown's Avatar
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    Default Re: Completely lost, creating a bar graph

    Comment this line
    // System.out.println(years + "\t\t" + (formatter.format(salary *= 2)));
    System.out.print(years);
    		salary *= 2;
    		int last = (int)salary;
    		int step = 1000;
    		for(int start=1000;start<=last;start=start+step){
    			System.out.print("*");
    		}
     
    			System.out.println();
    Thanks and Regards
    Dan Brown

    Common Java Mistakes

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