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Java

luther wardle
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luther wardle
Full Stack JavaScript Techdegree Student 18,029 Points
Posted by luther wardle
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luther wardle
Full Stack JavaScript Techdegree Student 18,029 Points

making a histogram in java

Hello All, I'm trying to make a histogram (intake int values from a sheet then separate them into their numbered sets 1-10, 11-20, etc all the way to 100)

I was hoping someone could tell me what i'm doing wrong in terms of being able to store values in arrays and print out "*" to represent 1 datapoint in that array

ultimately the program should look like this:

each line is the quantity of numbers stored in each consequitive array. can anyone give me any pointers?

luther wardle
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.a{fill-rule:evenodd;}techdegree
luther wardle
Full Stack JavaScript Techdegree Student 18,029 Points
luther wardle
.a{fill-rule:evenodd;}techdegree
luther wardle
Full Stack JavaScript Techdegree Student 18,029 Points

MY APOLOGIES! here is my code

import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.util.Scanner;

public class Histogram {

public static void main(String[] args) throws FileNotFoundException {
    Scanner fileScan=new Scanner(new FileReader("histogram3.txt"));
    File f = new File("histogram3.txt");
    int input=fileScan.nextInt();   
    int tencount = 0;
    int twencount = 0;
    //int thircount = 0;
    //int fortcount = 0;
    //int fiftcount = 0;
    //int sixtcount = 0;
    //int sevecount = 0;
    //int eighcount = 0;
    //int ninecount = 0;
    //int huncount = 0;

    int ten[]=new int[1000];
    int twen[] = new int[1000];
    //int thir[]=new int[1000];
    //int fort[] = new int[1000];
    //int fivt[]=new int[1000];
    //int sixt[] = new int[1000];
    //int seve[]=new int[1000];
    //int eigh[] = new int[1000];
    //int nine[]=new int[1000];
    //int hund[] = new int[1000];
    System.out.print("*");
    System.out.print(input);
    System.out.print(f.length());


    while(fileScan.hasNextLine()) {
        if(input<=10) {
            ten[tencount]=input;
            tencount++;
        }
        if(input<=20) {
            twen[twencount]=input;
            twencount++;
        }
    }

        System.out.print(ten[20]);

    //print stars based on length of array
    System.out.println();
    for(int star=0; star<tencount;star++) {
        System.out.print("*");
    }

    fileScan.close();
}

}

1 Answer

Rajbie Sarwar
Rajbie Sarwar
4,772 Points
Rajbie Sarwar
Rajbie Sarwar
4,772 Points

Were you able to figure it out?